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Tomas
  • Member for 9 years, 5 months
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  • China
12 votes
2 answers
394 views

Existence of closed operators with arbitrary dense domain of a given Banach space

10 votes
0 answers
344 views

Why is it hard to obtain improved $L^6$ bound of eigenfunction of Laplacian on 2-dimensional compact Riemannian manifold?

7 votes
1 answer
298 views

Is every $C_0$ semigroup on a Hilbert space automatically a $C_0$ group on a larger space?

6 votes
0 answers
191 views

Uniform estimates of Fourier transform of tempered functions with parameters

4 votes
1 answer
372 views

Uniqueness theorems related to Hardy Uncertainty Principle

4 votes
0 answers
339 views

Is the Fourier transform of $\frac{1}{\mu+|\xi|^{2\alpha}}$($\mu>0$) a bounded function?

4 votes
1 answer
345 views

What does a Zonal sphere harmonic look like?

3 votes
2 answers
645 views

Interior Schauder estimates with weights

3 votes
0 answers
123 views

$L^2$ bounds for the gradient of subsolutions to parabolic equation

3 votes
0 answers
180 views

Estimates of a bilinear oscillatory integral

3 votes
1 answer
556 views

Functions belong to $L^{\frac{2n}{n+1}}$ whose Fourier transforms are infinite on $S^{n-1}$

3 votes
0 answers
208 views

A question about Fourier transform of function of the type $Q(x)(1+P(x))^{z}$

2 votes
1 answer
159 views

References about spectral theory on Hyperbolic space

2 votes
0 answers
123 views

Properties of solutions of Parabolic type equations

2 votes
0 answers
135 views

Is logarithmic convexity of the heat kernel with complex time a general fact?

2 votes
2 answers
1k views

Is there a Calderon-Zygmund decomposition for $L^p$ function

2 votes
0 answers
146 views

Half-wave group $e^{it\sqrt{-\Delta_g}}$ for large $t$

2 votes
0 answers
134 views

eigenfunction of schrodinger operators

1 vote
0 answers
365 views

Possible generalizations of Hadamard's three line lemma

1 vote
1 answer
233 views

A small question about the necessary conditon of linear Kakeya conjecture

1 vote
0 answers
113 views

On the boundedness properties of the mapping $f\to |f|^{\frac12}$ on homogeneous Sobolev space

1 vote
1 answer
349 views

Reference for compact embedding between (weighted) Holder space on $\mathbb{R}^n$

1 vote
0 answers
125 views

Is this determinant well-known?

0 votes
1 answer
470 views

Paley-Wiener type theorem for integral functions with compact support

0 votes
1 answer
177 views

Uniform $L^p-L^{p'}$ bound of a Fourier multiplier

0 votes
1 answer
209 views

Differences between parabolic operators of second order and higher order