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visits member for 2 years, 11 months
seen Apr 1 at 12:10

Mar
25
asked Derivation of the advection equation
Feb
28
answered Good metric on $C^k(0,1)$ and $C^\infty(0,1)$
Feb
26
asked The simplicity of $\bigwedge^i \mathbb{C}^{n+1}$ as a representation of $\mathfrak{sl_{n+1}}$ and its weight vectors
Feb
19
asked Do we really need Hahn-Banach that much?
Feb
14
asked Counterexample for the solvability of $-\Delta u = f$ for $f\in C^2$
Feb
13
asked Is every open, bounded and simply connected subset of $\mathbb{R}^n$ essentially a ball?
Feb
11
asked Is duality an exact functor on Banach spaces or Hilbert spaces?
Feb
7
asked A limit superior question in the context of the Neumann series
Feb
4
asked Parallelogram law valid in banach spaces?
Jan
29
asked How to prove finite dimensionality of Hom-spaces between modules of finite length?
Jan
27
asked Images of simple modules under exact endofunctors
Jan
17
asked Scalar product question
Jan
16
asked Orthonormal basis of Cartan subalgebra relative to Killing form
Jan
2
asked Maximal tori in semi-simple linear algebraic groups
Dec
29
asked Tangent spaces of affine algebraic varieties at singular points
Dec
19
answered Kernel of the product $A\otimes A\rightarrow A$
Dec
19
asked Kernel of the product $A\otimes A\rightarrow A$
Dec
18
asked A question concerning unipotent matrices and a basis choice
Dec
11
asked Which field is this quotient of a local ring by its maximal ideal?
Dec
10
asked Dimensions of vector spaces in an exact sequence