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olivier dot begassat dot cours at gmail dot com


Jan
20
answered Conceptual doubt in a theorem in Group rings
Jan
20
answered Are $(l^1, \|.\|_2)$, $(l^2, \|.\|_3)$ Banach spaces?
Jan
19
answered Quotient space of $S^n$ and the projective plane
Jan
19
answered Big list of “guided discovery” books
Jan
19
answered To show that $\sum a_nb_n$ is absolutely convergent
Jan
19
answered Mapping torus with homotopic homeomorphisms
Jan
18
answered Compact subset of space of matrices and compactness verification of a set of eigenvalues
Jan
17
answered Showing that $|N \cap Z(G)| > 1$ for normal subgroups of p-groups
Jan
17
answered Does this theorem hold for Banach space?
Jan
12
answered Every 1- or 2-dimensional compact, connected Lie group is abelian
Jan
8
answered construction of orthogonal matrix with given spectrum
Jan
5
answered For a hermitian element $a$ in a $C^*$-algebra, show that $\|a^{2n}\| = \|a\|^{2n}$
Jan
4
answered Finding a frame for a vector bundle in a smooth manifold with a connection
Jan
3
answered When does a topological group embed topologically in its group of homeomorphisms?
Jan
1
answered tensor product of trivial line bundles
Dec
21
answered Prove that $\{\frac{\phi (n)}{n}\}_{n \in \Bbb N}$ is dense in $[0,1]$
Dec
19
answered How to find lagrangian submanifolds.
Dec
19
answered 2-dimesional cell complexes with fundamental group isomorphic to the following.
Dec
15
answered Map from $n$-sphere to $n$ dimensional torus
Dec
12
answered Showing that $F^*(L_{\mathbb{Y}}\omega)=L_{\mathbb{X}}(F^*\omega)$