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 Yearling
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16h
reviewed Close Divergence of a second order tensor
Jan
26
reviewed Approve Is finding a local minimizer of a NP-hard optimization problem is still NP-hard
Jan
25
awarded  Yearling
Jan
21
reviewed Leave Open Interpreting the Famous Five equation
Jan
20
reviewed Leave Open Not normal connected component of a right topological group
Jan
9
reviewed Close Homotopy classes of maps and cohomology classes (Hatcher, AT, Thm 4.57)
Dec
7
reviewed Close Notation for a Homomorphism
Dec
4
reviewed Leave Open History of Mathematical Notation
Dec
3
reviewed Close Decompose $\Lambda^3(V \otimes W)$
Nov
23
reviewed Close What does it mean for a differential equation “to be integrable”?
Nov
17
reviewed No Action Needed Is there an efficient algorithm for finding a square root modulo a prime power?
Nov
10
reviewed Leave Open Replacing Axiom of Choice with Axiom of Countable Choice
Nov
3
reviewed Close Geodesic on Banach Manifold
Nov
3
reviewed Close Maximal possible dimension of abelian Lie subalgebra of Heisenberg Lie algebra of dimension $2n+1$?
Oct
22
awarded  Electorate
Oct
20
reviewed Close Proof of Binet-Cauchy identity through the polarization transformation
Oct
13
reviewed No Action Needed Closed form for $\sum_{n=1}^{\infty} \frac{1}{1+n+n^2+\cdots+n^a}$
Oct
12
reviewed Leave Open references for Stiefel-Whitney class of Stiefel manifolds and Grassmannians
Sep
27
comment Geometric meaning of unimodular matrix
volume preserving...
Sep
15
reviewed Close Maximal ideal of group ring