Peter Krautzberger http://boolesrings.org/krautzberger on Booles' Rings Mon, 06 May 2013 17:56:19 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 Another silly experiment: mobile apps for content delivery http://boolesrings.org/krautzberger/2013/03/30/another-silly-experiment-mobile-apps-for-content-delivery/ http://boolesrings.org/krautzberger/2013/03/30/another-silly-experiment-mobile-apps-for-content-delivery/#comments Sun, 31 Mar 2013 03:21:59 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2841

Here’s another post from the category “yet another silly idea” or “don’t try this at home”. Keep in mind that I have absolutely no idea about app development. In short, I don’t know what I’m doing or what I’m talking

…]]> http://boolesrings.org/krautzberger/2013/03/30/another-silly-experiment-mobile-apps-for-content-delivery/feed/ 8 Publishers should invest in browser development (a comment at the scholarly kitchen) http://boolesrings.org/krautzberger/2013/02/28/publishers-should-invest-in-browser-development-a-comment-at-the-scholarly-kitchen/ http://boolesrings.org/krautzberger/2013/02/28/publishers-should-invest-in-browser-development-a-comment-at-the-scholarly-kitchen/#comments Fri, 01 Mar 2013 04:24:16 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2823

In the tradition of posting stuff I write elsewhere, here’s a comment I just posted at the scholarly kitchen. It’s not really about the article.

On a slightly different note. Despite many investments in typesetting technologies in (and of) …

]]> http://boolesrings.org/krautzberger/2013/02/28/publishers-should-invest-in-browser-development-a-comment-at-the-scholarly-kitchen/feed/ 0 kids, exponential growth and 42 http://boolesrings.org/krautzberger/2013/02/24/kids-exponential-growth-and-42/ http://boolesrings.org/krautzberger/2013/02/24/kids-exponential-growth-and-42/#comments Mon, 25 Feb 2013 05:40:55 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2796 Last week, I was lucky enough to attend the W3C workshop on ebooks in NYC. This allowed me to visit some old and very dear friends. In a conversation with one of their kids, I pulled out a classic that …

]]> http://boolesrings.org/krautzberger/2013/02/24/kids-exponential-growth-and-42/feed/ 6 Why academic societies should start fully fledged social networks http://boolesrings.org/krautzberger/2013/02/04/why-academic-societies-should-start-fully-fledged-social-networks/ http://boolesrings.org/krautzberger/2013/02/04/why-academic-societies-should-start-fully-fledged-social-networks/#comments Tue, 05 Feb 2013 05:46:01 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2751

The Joint Math Meetings 2013 ended with the AMS’s 125th Anniversary banquet. One of the things mentioned there was that the AMS is working on some form of online communities. That’s great, but doesn’t go far enough.

1. It’s their …

]]> http://boolesrings.org/krautzberger/2013/02/04/why-academic-societies-should-start-fully-fledged-social-networks/feed/ 11 New shiny toy: mathblogging.org gets a long overdue update http://boolesrings.org/krautzberger/2013/01/31/new-shiny-toy-mathblogging-org-gets-a-long-overdue-update/ http://boolesrings.org/krautzberger/2013/01/31/new-shiny-toy-mathblogging-org-gets-a-long-overdue-update/#comments Fri, 01 Feb 2013 05:02:25 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2759 It’s been a lot of work and it has been delayed again and again, but here it is: mathblogging.org 2.0, powered by SubjectSeeker, the software behind ScienceSeeker.

Read the announcement.

I would like to thank Dave Munger …

]]> http://boolesrings.org/krautzberger/2013/01/31/new-shiny-toy-mathblogging-org-gets-a-long-overdue-update/feed/ 2 3 questions in June or: LoC workshops are the best http://boolesrings.org/krautzberger/2013/01/20/3-questions-in-june-or-loc-workshops-are-the-best/ http://boolesrings.org/krautzberger/2013/01/20/3-questions-in-june-or-loc-workshops-are-the-best/#comments Mon, 21 Jan 2013 06:09:07 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2684

Here’s another old (forgotten?) draft to make up for my lack of original writing; this should’ve gone out in June… Instead of posting it, I had grand plans to write about the workshop itself — but never had the time

…]]> http://boolesrings.org/krautzberger/2013/01/20/3-questions-in-june-or-loc-workshops-are-the-best/feed/ 0 How to include MathJax in an epub3 file to work with iBooks (and possibly others) http://boolesrings.org/krautzberger/2013/01/13/how-to-include-mathjax-in-an-epub3-file-to-work-with-ibooks-and-possibly-others/ http://boolesrings.org/krautzberger/2013/01/13/how-to-include-mathjax-in-an-epub3-file-to-work-with-ibooks-and-possibly-others/#comments Mon, 14 Jan 2013 05:44:06 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2732 At the Joint Mathematics Meetings Present and Future of Mathematics on the Web session, Lila Roberts presented an excellent demo of the good stuff you can do with iBooks author. The demo included MathJax and jsxgraph, and combined both with …

]]> http://boolesrings.org/krautzberger/2013/01/13/how-to-include-mathjax-in-an-epub3-file-to-work-with-ibooks-and-possibly-others/feed/ 13 JMM 2013 http://boolesrings.org/krautzberger/2013/01/09/jmm-2013/ http://boolesrings.org/krautzberger/2013/01/09/jmm-2013/#comments Thu, 10 Jan 2013 07:33:46 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2725 Early this morning, I drove down to San Diego to be at the Joint Math Meetings 2013 for the very first time. (Well, last year, I mostly sneaked in to meet friends and didn’t even register — or got to …

]]> http://boolesrings.org/krautzberger/2013/01/09/jmm-2013/feed/ 2 What’s the best TeX-to-HTML or TeX-to-ePUB converter? http://boolesrings.org/krautzberger/2013/01/05/whats-the-best-tex-to-html-or-tex-to-epub-converter/ http://boolesrings.org/krautzberger/2013/01/05/whats-the-best-tex-to-html-or-tex-to-epub-converter/#comments Sun, 06 Jan 2013 07:00:20 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2697

What do I do when I don’t find the time to properly write here? I needlessly double post stuff I’ve written elsewhere.

Somebody asked the title question on LinkedIn. My reply was as follows (well, I’ll do the links …

]]> http://boolesrings.org/krautzberger/2013/01/05/whats-the-best-tex-to-html-or-tex-to-epub-converter/feed/ 2 The Forum of Mathematics, blessing or curse? http://boolesrings.org/krautzberger/2012/11/11/the-forum-of-mathematics-blessing-or-curse/ http://boolesrings.org/krautzberger/2012/11/11/the-forum-of-mathematics-blessing-or-curse/#comments Mon, 12 Nov 2012 05:52:58 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2574

When the Forum of Mathematics was announced on Tim Gowers’s blog I mentioned this on twitter and I got a couple of replies asking what my thoughts on it were. Well, this post has been stuck in my draft folder

…]]> http://boolesrings.org/krautzberger/2012/11/11/the-forum-of-mathematics-blessing-or-curse/feed/ 9 Happy 2nd Birthday, Mathblogging.org or My 136 favorite mathematical blogs http://boolesrings.org/krautzberger/2012/10/14/happy-2nd-birthday-mathblogging-org-or-my-136-favorite-mathematical-blogs/ http://boolesrings.org/krautzberger/2012/10/14/happy-2nd-birthday-mathblogging-org-or-my-136-favorite-mathematical-blogs/#comments Mon, 15 Oct 2012 01:29:12 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2571 Mathblogging.org is nearing its 2nd birthday. We’ve passed the second anniversary of the domain registration and my own blog post is having it’s second anniversary soon. Plenty of reason to write a post about this.

We (Fred, Felix and I) …

]]> http://boolesrings.org/krautzberger/2012/10/14/happy-2nd-birthday-mathblogging-org-or-my-136-favorite-mathematical-blogs/feed/ 2 n things a set theorist should have done at least once http://boolesrings.org/krautzberger/2012/09/30/n-things-a-set-theorist-should-have-done-at-least-once/ http://boolesrings.org/krautzberger/2012/09/30/n-things-a-set-theorist-should-have-done-at-least-once/#comments Sun, 30 Sep 2012 17:18:07 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2582 So there’s a meme going around in the CS blogging community: “Things that a ___ researcher should have done at least once”. It started at The Geomblog by Suresh Venkatasubramanian, was picked up for complexity theory by Lance Fortnow at …

]]> http://boolesrings.org/krautzberger/2012/09/30/n-things-a-set-theorist-should-have-done-at-least-once/feed/ 11 A virtual Kaffehaus on g+ http://boolesrings.org/krautzberger/2012/08/12/a-virtual-kaffehaus-on-g/ http://boolesrings.org/krautzberger/2012/08/12/a-virtual-kaffehaus-on-g/#comments Mon, 13 Aug 2012 04:24:12 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2542

So that went well.

Two weeks ago I tried to do something that I always wanted to do and that Sam had done a couple of times with a more specific focus. That is, use google+ hangouts to simply meet …

]]> http://boolesrings.org/krautzberger/2012/08/12/a-virtual-kaffehaus-on-g/feed/ 0 self-publishing, the academic community and LaTeX fanboyism — a comment at Devlin’s Angle http://boolesrings.org/krautzberger/2012/08/11/self-publishing-the-academic-community-and-latex-fanboyism-a-comment-at-devlins-angle/ http://boolesrings.org/krautzberger/2012/08/11/self-publishing-the-academic-community-and-latex-fanboyism-a-comment-at-devlins-angle/#comments Sat, 11 Aug 2012 17:52:45 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2545

Yet another one of those “Peter babbled too long on somebody else blog”-posts. This time at Keith Devlin’s MAA column/blog Devlin’s Angle

A few comments.

About your reply to Corey’s comment. “That will surely change very quickly” is something I’ve …

]]> http://boolesrings.org/krautzberger/2012/08/11/self-publishing-the-academic-community-and-latex-fanboyism-a-comment-at-devlins-angle/feed/ 0 Has it really been a year? http://boolesrings.org/krautzberger/2012/08/07/has-it-really-been-a-year/ http://boolesrings.org/krautzberger/2012/08/07/has-it-really-been-a-year/#comments Tue, 07 Aug 2012 17:23:49 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2538

This is a joined post with Sam — go comment at his place!

Almost exactly a year ago, the two of us (Sam and Peter) sat down to talk about what we could do together to help …

]]> http://boolesrings.org/krautzberger/2012/08/07/has-it-really-been-a-year/feed/ 0 Where was I? http://boolesrings.org/krautzberger/2012/07/24/where-was-i/ http://boolesrings.org/krautzberger/2012/07/24/where-was-i/#comments Tue, 24 Jul 2012 04:22:00 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2524 Oh yes, I live here now. Some call it paradise, others moloch. I think both are right but what do I know after a two weeks?

Hopefully, I’ll get back to blogging a bit more regularly and tell you more.…

]]> http://boolesrings.org/krautzberger/2012/07/24/where-was-i/feed/ 1 11 dreams for the publishing debate, the complete version http://boolesrings.org/krautzberger/2012/07/11/11-dreams-for-the-publishing-debate-the-complete-version/ http://boolesrings.org/krautzberger/2012/07/11/11-dreams-for-the-publishing-debate-the-complete-version/#comments Thu, 12 Jul 2012 00:50:13 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1928

This is a double-post of sorts. The reasons is that it took me a very long time to write this (in fact, the first draft is marked April 18). In the process, quite a number of versions were stored by

…]]> http://boolesrings.org/krautzberger/2012/07/11/11-dreams-for-the-publishing-debate-the-complete-version/feed/ 5 11 dreams for the publishing debate — #11 a democratization of the communities http://boolesrings.org/krautzberger/2012/06/27/11-dreams-for-the-publishing-debate-11-a-democratization-of-the-communities/ http://boolesrings.org/krautzberger/2012/06/27/11-dreams-for-the-publishing-debate-11-a-democratization-of-the-communities/#comments Wed, 27 Jun 2012 12:48:04 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2480

And now the conclusion.
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are realistic—perhaps …

]]> http://boolesrings.org/krautzberger/2012/06/27/11-dreams-for-the-publishing-debate-11-a-democratization-of-the-communities/feed/ 2 11 dreams for the publishing debate — #10 from come-to-me to the go-out-and-find-them http://boolesrings.org/krautzberger/2012/06/20/11-dreams-for-the-publishing-debate-10-from-come-to-me-to-the-go-out-and-find-them/ http://boolesrings.org/krautzberger/2012/06/20/11-dreams-for-the-publishing-debate-10-from-come-to-me-to-the-go-out-and-find-them/#comments Thu, 21 Jun 2012 02:35:40 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2470

I got two more, just two more…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. …

]]> http://boolesrings.org/krautzberger/2012/06/20/11-dreams-for-the-publishing-debate-10-from-come-to-me-to-the-go-out-and-find-them/feed/ 0 11 dreams for the publishing debate — #9 propagating the Shelah Model http://boolesrings.org/krautzberger/2012/06/18/11-dreams-for-the-publishing-debate-9-propagating-the-shelah-model/ http://boolesrings.org/krautzberger/2012/06/18/11-dreams-for-the-publishing-debate-9-propagating-the-shelah-model/#comments Tue, 19 Jun 2012 02:01:29 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2453

3, 2, 1…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are realistic—perhaps just …

]]> http://boolesrings.org/krautzberger/2012/06/18/11-dreams-for-the-publishing-debate-9-propagating-the-shelah-model/feed/ 4 11 dreams for the publishing debate — #8 a cultural change of doing research (and metrics for it) http://boolesrings.org/krautzberger/2012/06/17/11-dreams-for-the-publishing-debate-8-a-cultural-change-of-doing-research-and-metrics-for-it/ http://boolesrings.org/krautzberger/2012/06/17/11-dreams-for-the-publishing-debate-8-a-cultural-change-of-doing-research-and-metrics-for-it/#comments Sun, 17 Jun 2012 23:08:34 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2441

On and on and on…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are …

]]> http://boolesrings.org/krautzberger/2012/06/17/11-dreams-for-the-publishing-debate-8-a-cultural-change-of-doing-research-and-metrics-for-it/feed/ 0 11 dreams for the publishing debate — #7 an affordable open access model http://boolesrings.org/krautzberger/2012/06/16/11-dreams-for-the-publishing-debate-7-an-affordable-open-access-model/ http://boolesrings.org/krautzberger/2012/06/16/11-dreams-for-the-publishing-debate-7-an-affordable-open-access-model/#comments Sun, 17 Jun 2012 02:22:02 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2432

Here we go again…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are realistic—perhaps …

]]> http://boolesrings.org/krautzberger/2012/06/16/11-dreams-for-the-publishing-debate-7-an-affordable-open-access-model/feed/ 3 11 dreams for the publishing debate — #6 publishing in smaller increments http://boolesrings.org/krautzberger/2012/06/15/11-dreams-for-the-publishing-debate-6-publishing-in-smaller-increments/ http://boolesrings.org/krautzberger/2012/06/15/11-dreams-for-the-publishing-debate-6-publishing-in-smaller-increments/#comments Sat, 16 Jun 2012 02:05:33 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2417

One more, one more, one more…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some …

]]> http://boolesrings.org/krautzberger/2012/06/15/11-dreams-for-the-publishing-debate-6-publishing-in-smaller-increments/feed/ 2 11 dreams for the publishing debate — #5 sharing all our work every way we can http://boolesrings.org/krautzberger/2012/06/14/11-dreams-for-the-publishing-debate-5-sharing-all-our-work-every-way-we-can/ http://boolesrings.org/krautzberger/2012/06/14/11-dreams-for-the-publishing-debate-5-sharing-all-our-work-every-way-we-can/#comments Fri, 15 Jun 2012 00:50:36 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2407

Hop, skip and a jump — missed a day there, sorry.
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some

…]]> http://boolesrings.org/krautzberger/2012/06/14/11-dreams-for-the-publishing-debate-5-sharing-all-our-work-every-way-we-can/feed/ 0 11 dreams for the publishing debate — #4 get real credit for communicating http://boolesrings.org/krautzberger/2012/06/12/11-dreams-for-the-publishing-debate-4-get-real-credit-for-communicating/ http://boolesrings.org/krautzberger/2012/06/12/11-dreams-for-the-publishing-debate-4-get-real-credit-for-communicating/#comments Tue, 12 Jun 2012 22:57:28 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2388

Meanwhile back on the ranch…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are …

]]> http://boolesrings.org/krautzberger/2012/06/12/11-dreams-for-the-publishing-debate-4-get-real-credit-for-communicating/feed/ 0 11 dreams for the publishing debate — #3 get real credit for refereeing http://boolesrings.org/krautzberger/2012/06/11/11-dreams-for-the-publishing-debate-3-get-real-credit-for-refereeing/ http://boolesrings.org/krautzberger/2012/06/11/11-dreams-for-the-publishing-debate-3-get-real-credit-for-refereeing/#comments Mon, 11 Jun 2012 23:03:55 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2369

Meanwhile back on the ranch…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are …

]]> http://boolesrings.org/krautzberger/2012/06/11/11-dreams-for-the-publishing-debate-3-get-real-credit-for-refereeing/feed/ 0 11 dreams for the publishing debate — #2 get real credit for surveys and exposition http://boolesrings.org/krautzberger/2012/06/10/11-dreams-for-the-publishing-debate-2-get-real-credit-for-surveys-and-exposition/ http://boolesrings.org/krautzberger/2012/06/10/11-dreams-for-the-publishing-debate-2-get-real-credit-for-surveys-and-exposition/#comments Sun, 10 Jun 2012 18:52:57 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2352

And now the continuation…
Each new post will start from the top, so scroll down a little if you’ve read the previous one — but also check out the first post for some motivation.

These are dreams. Some are realistic—perhaps …

]]> http://boolesrings.org/krautzberger/2012/06/10/11-dreams-for-the-publishing-debate-2-get-real-credit-for-surveys-and-exposition/feed/ 0 11 dreams for the publishing debate — #1 fewer papers http://boolesrings.org/krautzberger/2012/06/09/11-dreams-for-the-publishing-debate-1-fewer-papers/ http://boolesrings.org/krautzberger/2012/06/09/11-dreams-for-the-publishing-debate-1-fewer-papers/#comments Sat, 09 Jun 2012 17:29:50 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=2322

Many moons ago, Gowers’ “alternative” model for publishing started a new round in the publishing debate and ever since, drafts have piled up around here, some bad, some worse, some long, some short. It’s time for some summer cleaning (used

…]]> http://boolesrings.org/krautzberger/2012/06/09/11-dreams-for-the-publishing-debate-1-fewer-papers/feed/ 0 Waiting for the Polymath revolution — thoughts from a bystander http://boolesrings.org/krautzberger/2012/04/30/waiting-for-the-polymath-revolution-thoughts-from-a-bystander/ http://boolesrings.org/krautzberger/2012/04/30/waiting-for-the-polymath-revolution-thoughts-from-a-bystander/#comments Mon, 30 Apr 2012 22:43:18 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1971 Tim Gowers has hinted at a revival of the fifth Polymath project. Which brings something back from the bottom of my draft folder.

Let’s talk about Polymath

If you haven’t heard of the Polymath project, then, hm, well… anyway, here’s …

]]> http://boolesrings.org/krautzberger/2012/04/30/waiting-for-the-polymath-revolution-thoughts-from-a-bystander/feed/ 7 yay, I’m an editor at ScienceSeeker.org http://boolesrings.org/krautzberger/2012/04/21/yay-im-an-editor-at-scienceseeker-org/ http://boolesrings.org/krautzberger/2012/04/21/yay-im-an-editor-at-scienceseeker-org/#comments Sat, 21 Apr 2012 19:07:47 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1936 Apparently, I totally forgot to announce this anywhere on my interwebz!

With its major code update three weeks ago, scienceseeker.org introduced an editorial system where editors can mark particular posts and leave a small note — and I was invited …

]]> http://boolesrings.org/krautzberger/2012/04/21/yay-im-an-editor-at-scienceseeker-org/feed/ 7 state of foundational research http://boolesrings.org/krautzberger/2012/04/13/state-of-foundational-research/ http://boolesrings.org/krautzberger/2012/04/13/state-of-foundational-research/#comments Sat, 14 Apr 2012 02:21:01 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1895 I was catching up on some fun google-reader reading today but found with a depressing combination of content.

To be

The title of this post is taken from this math.SE question which boils down to:

Is it true? Is it

…
]]> http://boolesrings.org/krautzberger/2012/04/13/state-of-foundational-research/feed/ 4 Rapid idempotent ultrafilters http://boolesrings.org/krautzberger/2012/04/08/rapid-idempotent-ultrafilters/ http://boolesrings.org/krautzberger/2012/04/08/rapid-idempotent-ultrafilters/#comments Sun, 08 Apr 2012 17:58:50 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1551 Welcome back to the second (and final) part on why strongly summable ultrafilters are rapid.

Why the new title? Well, first, I needed another one (I’ve had too many posts with “Part X” in them, I think). Second, after …

]]> http://boolesrings.org/krautzberger/2012/04/08/rapid-idempotent-ultrafilters/feed/ 6 One day in Colorado or Strongly summable ultrafilters are rapid http://boolesrings.org/krautzberger/2012/04/02/one-day-in-colorado-or-strongly-summable-ultrafilters-are-rapid/ http://boolesrings.org/krautzberger/2012/04/02/one-day-in-colorado-or-strongly-summable-ultrafilters-are-rapid/#comments Tue, 03 Apr 2012 01:21:27 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1546 Picking up from the prelude about micro-contributions, let me tell you the story of a small result I would like to share with you. (Before you frantically scroll down to find the proof, it’s not really here but will …

]]> http://boolesrings.org/krautzberger/2012/04/02/one-day-in-colorado-or-strongly-summable-ultrafilters-are-rapid/feed/ 5 Prelude to a small experiment http://boolesrings.org/krautzberger/2012/03/26/prelude-to-a-small-experiment/ http://boolesrings.org/krautzberger/2012/03/26/prelude-to-a-small-experiment/#comments Tue, 27 Mar 2012 01:49:01 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1399 I haven’t posted anything in almost two months — life happened. It’s still a bit chaotic and maybe I’ll write about it when things calm down. For now, I’m back from a productive trip to Toronto where, among other things, …

]]> http://boolesrings.org/krautzberger/2012/03/26/prelude-to-a-small-experiment/feed/ 6 If you build it, will they come? http://boolesrings.org/krautzberger/2012/02/06/if-you-build-it-will-they-come/ http://boolesrings.org/krautzberger/2012/02/06/if-you-build-it-will-they-come/#comments Tue, 07 Feb 2012 04:08:49 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1368 Last week, Tim Gowers published another post on the publishing debate entitled “Abstract thoughts about online review systems”.

There are, as usual, interesting thoughts both in the post and in the comments (including some very nice elitist ones), enough …

]]> http://boolesrings.org/krautzberger/2012/02/06/if-you-build-it-will-they-come/feed/ 1 A comment on Tim Gowers’s blog http://boolesrings.org/krautzberger/2012/01/29/a-comment-on-tim-gowerss-blog/ http://boolesrings.org/krautzberger/2012/01/29/a-comment-on-tim-gowerss-blog/#comments Sun, 29 Jan 2012 20:28:15 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1328

I just left an awfully long comment on Tim Gowers’s blog. Thanks, François for mentioning the new post on twitter! Incidentally, it seems that my email is considered spam by Akismet these days, so it will most likely never show

…]]> http://boolesrings.org/krautzberger/2012/01/29/a-comment-on-tim-gowerss-blog/feed/ 15 Groups in $\beta \mathbb{N}$ http://boolesrings.org/krautzberger/2012/01/26/groups-in-beta-mathbbn/ http://boolesrings.org/krautzberger/2012/01/26/groups-in-beta-mathbbn/#comments Thu, 26 Jan 2012 05:07:16 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1244 Well, if you haven’t read my recent introspection, consider yourself warned: the video below is, in my humble opinion, a rather poor talk I gave at our Logic Seminar here at the University of Michigan.

Nevertheless, I would like …

]]> http://boolesrings.org/krautzberger/2012/01/26/groups-in-beta-mathbbn/feed/ 1 Mostly, I’m a terrible speaker http://boolesrings.org/krautzberger/2012/01/24/mostly-im-a-terrible-speaker/ http://boolesrings.org/krautzberger/2012/01/24/mostly-im-a-terrible-speaker/#comments Wed, 25 Jan 2012 01:40:31 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1232 They say, ignorance is bliss.

As I wrote in a comment recently, almost all mathematicians are bad speakers for almost all audiences. It seems to me that most people would agree. But in blissful ignorance, we don’t worry about our …

]]> http://boolesrings.org/krautzberger/2012/01/24/mostly-im-a-terrible-speaker/feed/ 3 Live blogging from #scio12 http://boolesrings.org/krautzberger/2012/01/19/live-blogging-from-scio12/ http://boolesrings.org/krautzberger/2012/01/19/live-blogging-from-scio12/#comments Thu, 19 Jan 2012 15:42:47 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1219 So, I will attempt to live blog from Science Online 2012. This means this post will get updated instead of writing many posts.

Wednesday evening

Getting to RDU was easy, direct flight, all good. Once there I hooked up …

]]> http://boolesrings.org/krautzberger/2012/01/19/live-blogging-from-scio12/feed/ 0 After the common room, how about the seminar room? http://boolesrings.org/krautzberger/2012/01/11/after-the-common-room-how-about-the-seminar-room/ http://boolesrings.org/krautzberger/2012/01/11/after-the-common-room-how-about-the-seminar-room/#comments Thu, 12 Jan 2012 02:50:11 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1167 The most impressive community on the (specifically mathematical) intertubes is MathOverflow. Not only because François is one of the moderators and Joel is the #1 power user or because it has introduced many mathematicians to the unexplored possibilities of …

]]> http://boolesrings.org/krautzberger/2012/01/11/after-the-common-room-how-about-the-seminar-room/feed/ 11 Representing Booles’ Rings at Science Online 2012 http://boolesrings.org/krautzberger/2011/12/26/representing-booles-rings-at-science-online-2012/ http://boolesrings.org/krautzberger/2011/12/26/representing-booles-rings-at-science-online-2012/#comments Mon, 26 Dec 2011 23:30:12 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1155 At the end of January, I’ll be at Scio12! Science Online is that super awesomesauce (un)conference where all the hipster science bloggers hang out — and also those fantastic little companies working on the future of doing science on …

]]> http://boolesrings.org/krautzberger/2011/12/26/representing-booles-rings-at-science-online-2012/feed/ 0 Hanging out with Sam http://boolesrings.org/krautzberger/2011/12/21/hanging-out-with-sam/ http://boolesrings.org/krautzberger/2011/12/21/hanging-out-with-sam/#comments Thu, 22 Dec 2011 01:08:27 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1137 Sam already wrote about the g+hangout that he hosted last Saturday and I wanted to jot down some of my own thoughts on the experience. I thoroughly enjoyed the whole thing and I’ve been looking for good imagery to describe …

]]> http://boolesrings.org/krautzberger/2011/12/21/hanging-out-with-sam/feed/ 5 The recent publishing debate — the IMU’s blog continues http://boolesrings.org/krautzberger/2011/12/16/the-recent-publishing-debate-the-imus-blog-continues/ http://boolesrings.org/krautzberger/2011/12/16/the-recent-publishing-debate-the-imus-blog-continues/#comments Fri, 16 Dec 2011 20:37:44 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1129 My last post has seen quite a lot of visitors (my stats look miserable now that there was such a spike…). But hardly anybody left a comment (thanks to those who did — much appreciated!). Did people find it irrelevant, …

]]> http://boolesrings.org/krautzberger/2011/12/16/the-recent-publishing-debate-the-imus-blog-continues/feed/ 10 The recent publishing debate — The economic power of publishers http://boolesrings.org/krautzberger/2011/12/12/the-recent-publishing-debate-the-economic-power-of-publishers/ http://boolesrings.org/krautzberger/2011/12/12/the-recent-publishing-debate-the-economic-power-of-publishers/#comments Mon, 12 Dec 2011 05:20:25 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1075

I have been trying to find the time to continue my posts on the publishing debate, discussing the other posts from the original timeline. Suffice it to say, I’ve not yet given up getting around to it… But there were

…]]> http://boolesrings.org/krautzberger/2011/12/12/the-recent-publishing-debate-the-economic-power-of-publishers/feed/ 12 The recent publishing debate — Nisan’s posts http://boolesrings.org/krautzberger/2011/11/27/the-recent-publishing-debate-nisans-posts/ http://boolesrings.org/krautzberger/2011/11/27/the-recent-publishing-debate-nisans-posts/#comments Sun, 27 Nov 2011 19:19:38 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=1013

The original post was getting longer and longer so I split it up.

To refresh your memory,

]]> http://boolesrings.org/krautzberger/2011/11/27/the-recent-publishing-debate-nisans-posts/feed/ 0 The recent publishing debate — a timeline http://boolesrings.org/krautzberger/2011/11/26/the-recent-publishing-debate-a-timeline/ http://boolesrings.org/krautzberger/2011/11/26/the-recent-publishing-debate-a-timeline/#comments Sun, 27 Nov 2011 00:44:26 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=962 In the last 3 weeks I have written a couple of drafts about the debate that finally hit the mathematical blogosphere through Tim Gowers’s blog (I don’t know how much he is aware of similar, ongoing discussions in the scientific …

]]> http://boolesrings.org/krautzberger/2011/11/26/the-recent-publishing-debate-a-timeline/feed/ 5 The single greatest influence http://boolesrings.org/krautzberger/2011/11/20/the-single-greatest-influence/ http://boolesrings.org/krautzberger/2011/11/20/the-single-greatest-influence/#comments Sun, 20 Nov 2011 17:47:30 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=636

Note: this is an old draft that I finally finished; there’s a line to indicate the major break between the original half and the additional part (not that the first part wasn’t rewritten a little, too).

Yesterday, when hearing the …

]]> http://boolesrings.org/krautzberger/2011/11/20/the-single-greatest-influence/feed/ 3 Idempotent Ultrafilters, an introduction (Michigan Logic Seminar Nov 09, 2011) http://boolesrings.org/krautzberger/2011/11/15/idempotent-ultrafilters-an-introduction-michigan-logic-seminar-nov-09-2011/ http://boolesrings.org/krautzberger/2011/11/15/idempotent-ultrafilters-an-introduction-michigan-logic-seminar-nov-09-2011/#comments Wed, 16 Nov 2011 03:58:27 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=842 Because of a power outage at the department my talk announced for October 29th was postponed by a week.

Idempotent Ultrafilters: An Introduction (University of Michigan Logic Seminar 2011-11-08) from Peter Krautzberger on Vimeo.

Here are transcripts of my …

]]> http://boolesrings.org/krautzberger/2011/11/15/idempotent-ultrafilters-an-introduction-michigan-logic-seminar-nov-09-2011/feed/ 2 epub, mathjax and the iPad — another attempt http://boolesrings.org/krautzberger/2011/10/17/epub-mathjax-and-the-ipad-another-attempt/ http://boolesrings.org/krautzberger/2011/10/17/epub-mathjax-and-the-ipad-another-attempt/#comments Mon, 17 Oct 2011 18:44:29 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=629 It’s a funny thing. I don’t even own an iPad. But a lot of people are interested in getting an epub file with mathjax working on the iPad.

Why is that? Well, as far as I could find out the …

]]> http://boolesrings.org/krautzberger/2011/10/17/epub-mathjax-and-the-ipad-another-attempt/feed/ 2 Grigorieff forcing collapsing the continuum http://boolesrings.org/krautzberger/2011/10/16/grigorieff-forcing-collapsing-the-continuum/ http://boolesrings.org/krautzberger/2011/10/16/grigorieff-forcing-collapsing-the-continuum/#comments Sun, 16 Oct 2011 05:19:20 +0000 Peter Krautzberger http://boolesrings.org/krautzberger/?p=698 This is a short technical post, more a note-to-self so that I know where to look this up if I ever need it again. It is also somewhat of a correction of something I said during my talk in Toronto …

]]> http://boolesrings.org/krautzberger/2011/10/16/grigorieff-forcing-collapsing-the-continuum/feed/ 6