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  • 24 votes cast
Apr
7
answered Ill-posedness of a generalized heat equation
Apr
7
answered Norm of an operator formed using a unitary operator
Mar
30
awarded  Notable Question
Mar
19
answered Fractional sobolev regularity of a truncated function
Mar
19
answered Why is multiplication on the space of smooth functions with compact support continuous?
Mar
8
answered $L^p$-bounding inequality
Mar
5
awarded  Yearling
Feb
13
awarded  Inquisitive
Feb
12
asked Poincaré lemma for distributions
Feb
3
comment Pointwise convergence for continuous functions
I am grateful for all the precise references. The Ali Taghavi explicit example is illuminating.
Feb
3
asked Pointwise convergence for continuous functions
Jan
28
asked Pythagorean number in Artin's theorem on nonnegative rational fractions
Jan
24
comment Faà di Bruno formula
@Fedor Petrov Yes, but if you want to prove that $G^{s}$ is a composition algebra for $s\ge 1$, $(\ast)$ is easier to use than $(\ast\ast)$.
Jan
22
asked Faà di Bruno formula
Jan
17
comment Fundamental solution of Discrete Laplace in the plane
@Christian Remling I did edit my answer.
Jan
17
revised Fundamental solution of Discrete Laplace in the plane
added 465 characters in body
Jan
16
answered Fundamental solution of Discrete Laplace in the plane
Dec
15
answered Commutator representation of certain smoothing operators
Dec
9
answered Boundary behaviour of a second order pde with characteristics
Dec
7
answered A Global Estimates for Linear Elliptic PDE