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Subject: mathematics

Found on MathOverflow

7 February, 2010 in category english, mathematics by Konrad.

In this post I present some of my favourites from the last months at MathOverflow.

Walk-through to Morel-Voevodsky A¹-homotopy theory, page 48-50

5 February, 2010 in category Walkthrough to Morel-Voevodsky A1-homotopy theory, english by Konrad.

Chapter 2.1. Homotopy theory of simplicial sheaves: The simplicial model category structure. Discussion of 1.2, 1.3, 1.4, 1.5, 1.6, 1.8, 1.9, 1.10.

Beautiful new geometry videos

4 February, 2010 in category Mathematics for non-mathematicians, english by Konrad.

On dimensions-math.org you can see a whole bunch of before unseen geometry videos introducing 2-, 3- and 4-dimensional space, complex numbers and even more to the non-mathematician.

Video: Some important themes in geometry

30 January, 2010 in category Mathematics for non-mathematicians, english by Konrad.

Mathematics for non-mathematicians: I recommend a talk by Dan Freed, “The Hodge Conjecture”. You’ll get a glimpse on some central ideas of geometry from this talk, even if you’re not interested in the Hodge Conjecture.