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All my questions, answers, and comments on mathoverflow.net are hereby released under the Creative Commons Public Domain Dedication. Please use them freely.

As a matter of courtesy and accuracy, I would request that you make an effort to acknowledge the origin and the authors of any works you use.


3h
reviewed Close Circumcenter of Tetrahedron (in 4D)
3h
revised upper bound and a lower bound on the number of points that are uniformly distributed on a surface
replaced deprecated tag 'geometry'
3h
revised Eigenvectors as continuous functions of matrix - diagonal perturbations
edited tags
3h
revised Spherical cap is the only compact constant mean curvature surface bounded by a circle
replaced tags
13h
reviewed Close Is it possible to compare Sobolev space and Polish space?
1d
reviewed Close How does deletion-contraction affect chromatic number? Can it increase chromatic number?
2d
revised Finding first integrals
added 16 characters in body; edited tags; edited title
2d
revised Finding first integrals
added 16 characters in body; edited tags; edited title
2d
reviewed Close what are the practical applications of sets in our daily life?
2d
revised interpolation between Bochner spaces
edited tags
2d
reviewed Reviewed Lists of sets as objects of ZF axiomatics
2d
reviewed Close Finding first integrals
2d
reviewed Reject $A_n \not \rightharpoonup A$ in $L_1[-\pi; \pi] $ ( $A_n$ is partial fourier sum )
2d
comment Are del-Pezzo surfaces complete intersections?
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2d
reviewed Close Searching for $C^*$
2d
reviewed Leave Closed Can a cylinder be regarded as a Riemannian manifold?
May
20
revised Find the intersection between two convex hulls, in this specific case
edited tags
May
20
comment Manifolds with two coordinate charts
I do not know an early reference for the first result. However, the result is a consequence of the Schoenflies theorem which was published by Morton Brown in 1960.
May
19
comment Manifolds with two coordinate charts
For a different reference, the proof in this answer of the first statement appears in theorem 2.7 of Steve Ferry's geometric topology notes.
May
19
reviewed Close Projection mappings