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Bazin's user avatar
Bazin's user avatar
Bazin
  • Member for 12 years
  • Last seen more than a week ago
40 votes

Motivation for and history of pseudo-differential operators

28 votes

Does Physics need non-analytic smooth functions?

22 votes

Pullback measures

11 votes
Accepted

Fourier Coefficients and Hölder Continuity

9 votes

What's the use of Malgrange preparation theorem?

8 votes
Accepted

Gagliardo-Nirenberg inequality

8 votes

Generalization of the polarisation formula for symmetric bilinear forms to symmetric multilinear forms

8 votes

what's the motivation of Weyl calculus ?

8 votes

Is there any way to rewrite a partial differential equation using language of differential forms, tensors, etc?

8 votes

Why is multiplication on the space of smooth functions with compact support continuous?

8 votes

Were there attempts to express derivatives of Delta function as polynomials of Delta function?

7 votes
Accepted

Integral representation of tempered distributions

7 votes

What is Quantization ?

7 votes
Accepted

Heat Equation on $[0,T] \times \mathbb{R}^n$

7 votes
Accepted

Is there an equivalent of Heisenberg's uncertainty principle in the decision sciences ?

7 votes

when a pseudo-differential operators to be compact?

7 votes

Symmetric version of Hilbert's seventeenth problem?

7 votes

PDEs and algebraic varieties

6 votes
Accepted

When is the adjoint of a hypoelliptic operator also hypoelliptic?

6 votes
Accepted

Hormander's bracket condition for the adjoint of an operator

6 votes

About the definition of Borel and Radon measures

6 votes

Is there a Faa di Bruno-like formula for composition of three functions?

6 votes

Are Besov spaces $B^{s}_{p,q}$ invariant under Fourier transform?

5 votes

Is there a compactly supported function that its Fourier transfrom vanishes at given n real points?

5 votes
Accepted

Extension of solutions of PDEs with constant coefficients

5 votes

Easy Garding Inequality

5 votes
Accepted

when is an eigenvalue differentiable with respect to a parameter?

5 votes

explicit solution of fractional laplacian in R^N

5 votes
Accepted

Proof of Agmon's inequality in $\mathbb{R}^3$

5 votes

Fundamental solution of an elliptic PDE in divergence form with non-symmetric matrix

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