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shuhalo
  • Member for 14 years, 4 months
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3 votes
2 answers
436 views

Standard homology result on bicomplexes

7 votes
2 answers
642 views

What happens if we consider functions of bounded variation that are not in $L^1$?

2 votes
2 answers
232 views

What can be said about the roots of the polynomial $x^{n+1} - (1 - x)^n ( n + x )$?

2 votes
1 answer
301 views

Can we interpret fractional Sobolev spaces in terms of fractional derivatives?

1 vote
1 answer
86 views

Is the product of $u \in W^{\sigma,1}(\Omega)$ and $v \in C^{0,\sigma}(\Omega)$ again in $W^{\sigma,1}(\Omega)$?

2 votes
0 answers
125 views

What are examples of infinite-dimensional Banach spaces that are also measure spaces?

8 votes
2 answers
609 views

Multivariable higher-order chain rule

1 vote
1 answer
523 views

Function space between uniform continuity and Hölder continuity

9 votes
1 answer
684 views

Hilbert spaces are induced by a bilinear form. How about n-linear forms?

58 votes
9 answers
9k views

Motivation for and history of pseudo-differential operators

16 votes
4 answers
3k views

Einstein field equations in perspectives from PDE and functional analysis

10 votes
4 answers
2k views

A senseful meaning of 'approximation of manifolds'?

3 votes
1 answer
222 views

Exposition of the Calabi complex

3 votes
1 answer
194 views

Are there applications for the PDE $ - \operatorname{grad} ( \operatorname{div} \vec u ) = \vec f$?

11 votes
1 answer
2k views

Did human computers use floating-point arithmetics?

1 vote
0 answers
511 views

Covariant Derivative of sections of a pullback bundle

2 votes
0 answers
266 views

Which domains have a Poincare-Wirtinger inequality? Which don't?

2 votes
0 answers
314 views

Analogue of Lipschitz continuity of $W^{1,\infty}$ for Hölder continuity and Sobolev-Slobodeckij spaces

26 votes
1 answer
4k views

Why are viscosity solutions useful solutions?

2 votes
0 answers
66 views

Convergence of Quasi-Newton method with fixed derivative

18 votes
1 answer
706 views

Are Hölder manifolds a thing?

17 votes
2 answers
976 views

Are unitarily equivalent permutation matrices permutation similar?

6 votes
0 answers
482 views

Minimum solid angle and aspect ratio of an $n$-simplex

14 votes
2 answers
930 views

Set-theoretical foundations of Mathematics with only bounded quantifiers

4 votes
0 answers
420 views

Textbooks in differential geometry that treat $C^k$ manifolds

17 votes
2 answers
3k views

Why are free objects "free"?

0 votes
0 answers
133 views

Lipschitz extensions preserving the convex hull of the range

23 votes
1 answer
2k views

Etymology of "exterior" in "exterior calculus"

5 votes
1 answer
671 views

Does the norm of a normed linear space determine the form of its dual spaces elements?

3 votes
0 answers
251 views

Least reasonable regularity on Riemannian metric tensor to define a metric [closed]