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Oct
31
revised How can one deduce quadratic reciprocity from Hilbert reciprocity?
edited tags
Oct
30
revised Isomorphism of First Ext groups
tex
Oct
29
revised Tauber theorem?
tex
Oct
27
revised What tells rational cohomology about integral cohomology?
edited tags
Oct
26
revised Example of an associative cross product, any significance?
typo fixed
Oct
23
revised the number of loops on lattice?
added 1246 characters in body
Oct
22
revised Proving the snake lemma without a diagram chase
fixing tex
Oct
20
revised Explicit formula for Fermat's 4k+1 theorem
typo fixed
Oct
20
revised Explicit formula for Fermat's 4k+1 theorem
remark explaining connection with \sum(t^3-t/p)
Oct
19
revised Explicit formula for Fermat's 4k+1 theorem
added 13 characters in body
Oct
14
revised cohomology ring structure of conf($\mathbb{R}^m$, 3)
edited body
Sep
20
revised Is $\mathbb{R}$ the only ordered field?
edited body
Sep
16
revised Generators of group $\pi_1(n\mathbb{R}P^2)$
edited tags
Sep
12
revised Simplify with no calculator
edited tags
Sep
10
revised Has Abstract Algebra ever been of service to Analysis?
added 10 characters in body
Sep
10
revised The homology group of the projective space of dimension $2$
edited tags
Sep
10
revised Is $S^\infty$ contractible? Does it have CW structure?
edited body; edited title
Sep
9
revised What is $\mathbb C[a_1,a_2,a_3,\dots]/a(t)^2$ (where $a(t)$ is $a_1t+a_2t^2+\dots$)?
edited tags
Sep
9
revised Quotient of $\ell_1$ by space of finite sequences
added 10 characters in body; edited title
Sep
9
revised For any natural $n$, how could we prove that $\sum\limits_{i=1} ^n (i^2+3i+1) i!= (n+3)(n+1)! - 3$
deleted 1 characters in body; edited tags; edited title