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András Bátkai
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2d
reviewed
Reviewed
Prove or disprove a monotonicity property of a certain convex optimization problem
Nov
24
reviewed
Approve
Mathematician trying to learn string theory
Nov
24
reviewed
Leave Open
Definitions of negative order Sobolev spaces
Nov
24
reviewed
Close
heat equation in 2D with absorbing and reflecting boundary conditions
Nov
24
reviewed
Close
Does the reference letter writer know which school his/her letter is sent to?
Nov
23
reviewed
Close
weak convergence related problem
Nov
23
reviewed
Close
from finite to $\sigma$-finite measure space
Nov
22
reviewed
Close
What is a zero-mean error?
Nov
20
reviewed
Leave Open
When is an erratum necessary?
Nov
20
reviewed
Close
How do I find Coefficients in a Multivariate ChebyShev Polynomial Approximation?
Nov
20
reviewed
Close
Verifying that $T_0 = F, T_n = 0$ is a universal $\delta$-functor
Nov
18
reviewed
Close
Linear Algebra Question: Eigenvalues using Unitary Matrix
Nov
18
reviewed
Close
Product of smooth functions
Nov
17
reviewed
Close
finite and properly infinite projections
Nov
17
comment
finite and properly infinite projections
What is your question?
Nov
17
reviewed
Leave Open
Generalized Sphere Kissing Problem
Nov
17
reviewed
Close
Is any function taking compact sets to compact sets, and connected sets to connected sets, necessarily continuous?
Nov
17
comment
Is any function taking compact sets to compact sets, and connected sets to connected sets, necessarily continuous?
I'm voting to close this question as off-topic because answered in the comments.
Nov
16
reviewed
Reject
Can one hear the shape of a drum for operators?
Nov
16
reviewed
Leave Open
Proof without distributions
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