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Bazin
  • Member for 12 years, 9 months
  • Last seen more than a month ago
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answered
Does the union of fractional Sobolev spaces fills $L^p$?
answered
How to understand the unique continuation result
answered
$L^\infty$ estimate for elliptic PDE with mixed boundary conditions
comment
Non-selfadjoint operators and physical systems
Thanks for the two comments. About phase transitions, would you have a reference?
asked
Non-selfadjoint operators and physical systems
awarded
 Yearling
asked
Regularity requirements for Sard's Theorem
comment
Zeroes of entire function on $\mathbb C^n$
Thx, it looks great.
asked
Zeroes of entire function on $\mathbb C^n$
answered
Can gradient zero implies that a function is constant with Hörmander vector fields
awarded
 Necromancer
asked
Singular Integrals and $L^1$
comment
Fourier multiplier on $L^1$
Thanks. I unfortunately started my search by Grafakos "Modern Fourier Analysis".
asked
Fourier multiplier on $L^1$
comment
Unitary versus isometric operators
Thank you very much. Is there an analogous statement with $A(t)$ unbounded self-adjoint. I guess that it is not so easy in that case to formulate the ODE (1).
asked
Unitary versus isometric operators
answered
Distributional derivatives are locally integrable implies the distribution is also locally integrable?
comment
Is there a way to solve this integral on the sphere explicitly?
If $k_j a_j>1$ for some $j$, the integral will diverge on the intersection of the hyperplane $y_j=0$ with the sphere.
answered
A variant of Hardy's inequality for "convolutions"?
revised
Logarithm of a bounded operator
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