Chris Gerig

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677 reputation

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bio	website	math.berkeley.edu/~cgerig
	location	University of California-berkeley, CA
	age	24
visits	member for	1 year, 4 months
	seen	1 hour ago
stats	profile views	367

I am an active user of MathOverflow.

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29 Answers

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4	Calculating the group co-homology of the symmetric group $S_3$ with integer coefficients.
4	Exercises in Group Cohomology
3	induced homomorphisms and extended maps
3	Transversal intersection.
3	Notation: $\operatorname{diag}(v,v)$ for a matrix?

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677 Reputation

+10	Proving that the cohomology ring of $\mathbb{R}P^n$ is isomorphic to $\mathbb{Z}_{2}[x]/(x)^{n+1}$
+15	$\pi_1$ and $H_1$ of Symmetric Product of surfaces
+10	Inducing orientations on boundary manifolds
+10	What does the group ring $\mathbb{Z}[G]$ of a finite group know about $G$?

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10 Questions

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12	Riemannian metric making a given function harmonic
5	Representations of $\pi_1M$ and Heegaard Splittings
4	Riemannian/Ricci curvature for round n-sphere
3	$\pi_1$ and $H_1$ of Symmetric Product of surfaces
3	Knots in $S^1\times S^2$

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43 Tags

10 algebraic-topology × 15	4 finite-groups × 3
8 group-cohomology × 6	3 cohomology × 2
6 general-topology × 2	3 matrices
5 differential-topology × 5	3 notation
5 group-theory × 2	2 homework × 2

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2 Accounts

	Physics	1,159 rep	313
$Mathematics Stack Exchange$	Mathematics	677 rep	216

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152 Votes Cast

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