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Mathematics
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Mathman
  • Member for 3 years, 11 months
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  • California
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question
2
Prove two Hom are isomorphic for a torsion R-module where R is a PID
Mar 29, 2021
question
2
Copies of $\mathbb{C}$ in Artin-Wedderburn decomposition
Apr 17, 2021
question
1
Why does the existence of non–tempered distributions not contradict the Hahn–Banach Theorem?
May 1, 2021
question
1
Convergent sequence in the topology of $\mathscr{S_n}$ but not in that of $\mathcal{D}\mathbb{(R^n)}$ [closed]
May 2, 2021
question
1
The sum $M+N$ is closed iff the sum of annihilators $M^\bot + N^\bot$ is closed
Nov 27, 2023
answer
1
The ring $\Bbb Z\left [\frac{-1+\sqrt{-19}}{2}\right ]$ is not a Euclidean domain
Jan 28, 2021
question
0
Prove $\mathbb{Q}$-subalgebra of quaternions is a division algebra over $\mathbb{Q}$
Apr 28, 2021
question
0
Bounds on Conics Covering Point Sets in Two-Dimensional Space
Jun 14, 2023
question
0
Analyzing the Spectrum of an Operator When Polynomials Yield Compact Operators
Dec 5, 2023
question
0
Determining the Norm and Compactness of an Operator in Banach Spaces
Dec 5, 2023