Luiz Cordeiro

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504 reputation

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	location	Brazil
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19 Answers

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6	If $\operatorname{rank}(A)=m$, can we say anything about $\operatorname{rank}(AA^t)$?
4	Can the associative property of a group be followed from its other properties?
3	Compactness and connectedness on $M_n(\mathbb R)$
3	Continuity with subspaces
3	Is it a linear transformation

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504 Reputation

+10	Real commutative Banach algebra with identity
+35	Function with $\|f(x)-\int^{\delta}_{-\delta}f(x+u)du\|<\epsilon$
+10	Initial Value Problems?
+15	Prove $\exists\;E$ such that $\mu(E)=0$ and $\alpha=\sup\limits_{x\in X\backslash E} \|f(x)\|$

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7 Questions

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10	Prove that a covering map is a homeomorphism
6	Maximal abelian subalgebra of Banach algebra is closed and contains the unity
3	How to prove that $(u-v)^+\in W_0^{1,2}(\Omega)$, if $u\in W_0^{1,2}(\Omega)$, $v\geq 0$.
1	Direct (Inductive) limit of (locally convex) TVEs and universal property
1	Are the eigenvalues limited?

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35 Tags

9 linear-algebra × 2	4 operator-theory × 2
7 general-topology × 5	4 abstract-algebra
6 functional-analysis × 8	4 group-theory
6 analysis × 4	3 algebraic-topology × 2
6 matrices × 2	3 connectedness

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$Mathematics Stack Exchange$

Mathematics

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