Mathematics
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william_grisaitis
  • Member for 9 years, 10 months
  • Last seen more than a month ago
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All Questions Answers
Score Newest
question
5
Why are fully faithful functors conservative? (Or, why are isomorphisms reflected?)
Jan 26, 2022
question
3
Are $\sin x$, $\sin(x + \frac{\pi}{6})$, and $\sin(x + \frac{\pi}{3})$ linearly independent?
Sep 22, 2021
question
3
Why is a topological space equal to its interior?
Dec 21, 2022
question
2
How to find a complementary subspace for the subspace of sequences where $u_{n+2}=u_{n} + u_{n+1}$, in $\mathbb{R}^\infty$?
Sep 21, 2021
question
2
How to prove the existence of a continuous function from [0, 1] to an open, connected subset of $\mathbb{R}^n$?
Oct 16, 2021
question
2
If $P$ is self-adjoint and $P^2$ is a projection, when is $P$ a projection?
Mar 27
question
1
If A is a positive definite matrix, how to show that the product of any two diagonal elements, $A_{ii} A_{jj}$, is greater than $|A_{ij}|^2$?
Mar 18, 2021
question
1
Under what conditions are separable functions positive definite?
Mar 18, 2021
question
1
Proving that a sequence of reals, $(x_n)$, converges to $x$ iff $\lim_{n \to \infty} d(x_n, x) = 0$
Dec 10, 2021
question
1
Fourier transform of $e^{-x^2 - y^2 - a x y}$
Mar 8, 2022
Top network posts
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209
pandas.parser.CParserError: Error tokenizing data
62
Why / when to use `intptr_t` for type-casting in C?
30
Python scikit learn Linear Model Parameter Standard Error
22
how to un fork the github repository?
21
Jupyter Notebook extensions within Jupyter Lab

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