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Mathematics
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Jack4t3
  • Member for 7 years, 9 months
  • Last seen more than 6 years ago
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question
11
How to imagine vector spaces (and projective spaces) over a finite field
Jan 15, 2017
question
7
When is $(BA)^\dagger\neq A^\dagger B^\dagger$ for the Moore Penrose inverse?
Jun 13, 2017
question
6
Showing that a sequence in $\ell^\infty(\mathbb{N})^*$ has a weak* convergent subnet
May 19, 2018
question
4
The subset A is locally closed iff A is an intersection of an open and a closed set
Oct 15, 2017
question
3
For which $a\in \mathbb{R}$ is $f(x,y) = \frac{xy^a}{x^2+y^2}$ with $f(0,0)=0$ continuous? [duplicate]
Jan 8, 2017
question
3
Proving that the graph of a function is a closed subset of $\mathbb{R}^{n+m}$
Jan 9, 2017
question
3
Dual of a linear program is infeasible
Jan 2, 2018
question
2
Veryfing basis and finding dual basis
Nov 28, 2016
question
1
Prove $b_n := \frac1n * \sum_\limits{k=1}^n a_k$ converges [duplicate]
Nov 26, 2016
question
1
Extending a measure on $\mathcal A$ to a measure on $\alpha(\mathcal A \cup \{C\})$ with $C \in \mathcal P(\Omega)\backslash \mathcal A$
Mar 30, 2017