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ARG
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44
What is geometrically the Pontryagin class?
Dec 22, 2012
20
Non-stably trivial bundle with trivial characteristic classes
Nov 18, 2012
19
what is a spinor structure?
Feb 23, 2013
18
Non-isomorphic groups with the same oriented Cayley graph
Feb 23, 2012
14
How to understand the combinatorial Laplacian $\Delta$ which is defined on the graph?
Apr 18, 2020
12
Estimate on currents in Cayley graphs
Feb 14, 2013
12
Star-shaped Folner sequence
Sep 25, 2013
11
Noteworthy, but not so famous conjectures resolved recent years
Jul 2, 2022
11
Fourth obstruction, Pontryagin and Euler class
Aug 9, 2018
11
Groups without property (T) but all finite quotients are expanders
Oct 5, 2015

Top network posts

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11
How to do a planar/multiview/first-angle projection in Tikz?
5
how to correctly display "deutsche Schreibschrift" in equations
5
Why does a Reuleaux triangle appear when drilling a hole with a knife
5
Rock-Paper-Scissors and Hadamard matrices
5
How to sort the cards in Dobble/Spot it!