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seen Sep 14 at 4:04

Aug
25
accepted Homology of a finite graph follows from Mayer-Vietoris sequence?
Aug
21
accepted A generalization of Jordan curve theorem to connected open sets in the plane
Aug
21
accepted Cover a sphere by two closed subsets not containing a closed self-antipodal connected subset?
Jul
14
accepted The geometric interpretation for extension of ideals?
Jul
5
accepted Topological/homotopical classification for 1-dim CW-complexes?
Jun
26
accepted Simplicity is invariant under extension of scalars
May
18
accepted Why is the projection map proper?
May
17
accepted Are maps locally preserving collinearity homographies?
Apr
20
accepted Outer measure and Caratheodory's criterion
Apr
11
accepted On construction of a Hamel basis which is also a Bernstein set
Apr
11
accepted Function coincides with a function of bounded variation almost everywhere
Apr
6
accepted Determining the measure (zero) from the measure (zero) of the intersections with translations
Apr
6
accepted Connectivity and Euler characteristic for surfaces
Feb
6
accepted On continuity of roots of a polynomial depending on a real parameter
Jan
31
accepted Analytic continuation of the bounded holomorphic function
Jan
13
accepted Is it true that the whole space is the direct sum of a subspace and its orthogonal space?
Jan
11
accepted Could a group embed normally in another group in which any automorphism is attained by conjugation?
Jan
3
accepted Should diffeomorphisms preserving arc length be affine?
Nov
22
accepted Should isometries be linear?
Nov
17
accepted Tensor product of fields and homomorphisms