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Jun
23
revised Any compact embedded $2$-dimensional hypersurface in $\mathbb R^3$ has a point of positive Gaussian curvature
added 36 characters in body
Apr
9
revised Computation of $Ext^*_R(k,k)$ as an algebra using a dga-resolution
edited tags
Apr
7
revised Computation of $Ext^*_R(k,k)$ as an algebra using a dga-resolution
edited tags
Apr
6
revised Duality between Tor and Ext?
added 28 characters in body
Feb
19
revised Obstruction theory for homotopies
added 93 characters in body
Jan
14
revised Computing $\pi_4(S^3)$ using Serre spectral sequence
edited tags
Apr
23
revised What is the suspension used in the Freudenthal suspension theorem?
added 117 characters in body
Apr
23
revised What is the suspension used in the Freudenthal suspension theorem?
added 90 characters in body
Apr
23
revised What is the suspension used in the Freudenthal suspension theorem?
added 354 characters in body
Apr
5
revised If a morphism of pushouts of complexes (with one arrow monic) is composed of quasi-isos, then the induced arrow is one also
deleted 5 characters in body
Mar
28
revised Homotopy of Spectra Maps Induced by Homotopy of Functions
added 2 characters in body
Mar
21
revised What does $1a \in Hom(a, a)$ mean?
more descriptive title
Mar
18
revised Application of Composition of Functions: Real world examples?
added 13 characters in body
Mar
15
revised If a morphism of pushouts of complexes (with one arrow monic) is composed of quasi-isos, then the induced arrow is one also
added 526 characters in body; edited title
Jan
23
revised Verification of my solution of $xy'=2y$
changed undescriptive title
Dec
30
revised When are generalized Severi-Brauer varieties trivial?
I mistook dimension for -reduced dimension-. Also, added link to the MO counterpart
Dec
27
revised What is the benefit of the theory of categories?
edited some typos
Dec
27
revised When are generalized Severi-Brauer varieties trivial?
edited tags
Dec
26
revised When are generalized Severi-Brauer varieties trivial?
edited tags
Nov
7
revised What are the most overpowered theorems in mathematics?
added 6 characters in body