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33069
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location Moscow, Russia
age
visits member for 4 years, 3 months
seen 2 hours ago

umagon at google mail


Jan
19
revised cohomological-operations wiki excerpt
added 211 characters in body
Jan
19
revised Non-homotopy equivalent spaces with isomorphic fundamental groups
added 10 characters in body; edited tags; edited title
Jan
19
revised How can one actually use Adjacency Matrix for understanding a graph?
edited tags
Jan
19
revised Factoring $4x^4 + 12x^3 - 24x^2 - 32x$
edited title
Jan
18
revised topological-k-theory wiki excerpt
added 205 characters in body
Jan
18
revised classifying-spaces wiki excerpt
added 263 characters in body
Jan
18
revised characteristic-classes wiki excerpt
added 193 characters in body
Jan
18
revised Is this accurate: Any characteristic zero field has a copy of $\mathbb Q$
edited tags
Jan
17
revised Are there degree-1 maps from $S^2 \times S^3 \rightarrow S^5$ or from $S^5 \rightarrow S^2\times S^3$?
edited tags
Jan
17
revised Canonical line bundle over a projective bundle
added 2 characters in body
Jan
17
revised What is known about doubly exponential series?
edited tags
Jan
16
revised Pythagoras Theorem - Why a Theory?
edited tags
Jan
16
revised existence of double covering
edited tags
Jan
16
revised How can I solve these equations?
edited tags
Jan
16
revised Inductive definition of group cohomology?
edited tags
Jan
15
revised Identify $\sum(-1)^{n-k}2^{2k}\binom{n+k}{2k}$
edited tags; edited title
Jan
15
revised Understanding the Gamma function?
slightly more verbose
Jan
15
revised Understanding the Gamma function?
added 158 characters in body
Jan
13
revised Closed form for $\sum_{k=1}^{\infty} \zeta(2k)-\zeta(2k+1)$
edited tags
Jan
12
revised A (somewhat) conceptual proof that the boundary of a fundamental class of a manifold with boundary goes to a fundamental class?
added 369 characters in body