Martin

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1,213 reputation

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visits	member for	2 years, 6 months
	seen	May 14 at 16:58
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67 Questions

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22	Mathematical precise definition of a PDE being elliptic, parabolic or hyperbolic
17	A smooth function's domain of being non-analytic
7	Dual of Sobolev space $W^{1,p}(U)$ for $U$ an arbitrary subset of $\mathbb R^n$
6	Topologies on the space $\mathcal D'(U)$ of distributions
5	On the isometry between bounded linear operators and the dual of nuclear linear operators

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1,213 Reputation

+20	A smooth function's domain of being non-analytic
+10	Dual of Sobolev space $W^{1,p}(U)$ for $U$ an arbitrary subset of $\mathbb R^n$
+5	Mathematical precise definition of a PDE being elliptic, parabolic or hyperbolic
+5	Preconditioning and effects on precision of solution of LSE

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10 Answers

votes activity newest

5	How to effectively and efficiently learn mathematics
4	Why abstract manifolds?
3	I have to show that the matrix $M^TM$ is SPD if and only if the columns of the matrix M are linearly independent
3	What is happening in a linear algebra computation?
2	Is -5 bigger than -1?

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59 Tags

7 linear-algebra × 10	2 absolute-value
4 differential-topology × 3	2 arithmetic
3 matrices × 4	1 multivariable-calculus × 3
3 homework	1 real-analysis × 2
2 inequality	0 functional-analysis × 23

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13 Accounts

	Computational Science	1,326 rep	211
$Mathematics Stack Exchange$	Mathematics	1,213 rep	314
	Stack Overflow	820 rep	1319
	German Language & Usage	598 rep	7
	Theoretical Computer Science	438 rep	26

14 Badges

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Popular Question × 2	Talkative
Yearling × 2	Quorum
Nice Question × 2	Critic
Tumbleweed	Commentator
Taxonomist	Teacher

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