# Tagged Questions

Partial differential equations (PDEs): Existence and uniqueness, regularity, boundary conditions, linear and non-linear operators, stability, soliton theory, integrable PDEs, conservation laws, qualitative dynamics.

**2**

**1**answer

### Closure of tensor product /tensor product semigroup

**2**

**1**answer

### On the Calabi-Yau conjecture for minimal surfaces

**2**

**0**answers

### Sobolev space under Mellin transform

**0**

**2**answers

### A basic question about stability of level sets

**2**

**0**answers

### inverse of sobolev riemannian metric still sobolev?

**3**

**2**answers

### Can we specify the value of harmonic forms at a point?

**0**

**0**answers

### Moser inequality involving the trace operator

**9**

**1**answer

### A conformal map whose Jacobian vanishes at a point is constant?

**8**

**2**answers

### Hölder continuity for operators

**3**

**0**answers

### gaussian upper bound on spherical heat kernel

**2**

**1**answer

### Improving equi-integrability for a family $\mathcal F$ in $L^1(\Omega)$

**3**

**0**answers

### Wavefront set and Duhamel's principle

**3**

**0**answers

### Constant in trace theorem for balls

**7**

**1**answer

### Proof of Green's formula for rectifiable Jordan curves

**1**

**0**answers

### Is a relatively weakly compact subset of $W^{1,1}(\Omega)$ metrizable?

**11**

**1**answer

### Nonlinear Schrödinger equation with discrete Laplacian

**0**

**0**answers

### Sobolev embeddings for vector-valued functions

**2**

**1**answer

### Reference request for weak solutions of an Elliptic PDE

**1**

**0**answers

### Support of a microlocal defect measure

**1**

**0**answers

### Geometric control condition

**1**

**1**answer

### Applications of the Calderon-Zygmund theory to PDE's

**2**

**0**answers

### For what functions does Nash inequality becomes equality?

**2**

**1**answer

### *Full proof* references for Markov generators with various boundary conditions

**3**

**2**answers

### Decay estimate for the heat equation: $\sup_{t>0}\int_{\mathbb{R}} t^\alpha |u_x|^2\ dx$

**0**

**0**answers

### Local and global analysis of PDEs [closed]

**0**

**0**answers

### von Neumann stability vs eigenvalues of amplification matrix

**2**

**0**answers

### Solvability of Neumann boundary problems with singular boundary data $g \in (H^{1})^{*}$

**2**

**0**answers

### Absence of fixed points

**1**

**2**answers

### Dirichlet problem for capillary equation over convex domain

**3**

**1**answer

### Function square-integrable

**2**

**3**answers

### Uniqueness of solution depending on constant?

**1**

**1**answer

### Parabolic variational inequality: regularity of the time derivative in $L^2(0,T;H)$?

**1**

**1**answer

### Method of characteristics for 2x2 systems

**1**

**0**answers

### How can I obtain this inequality (from Evan's PDEs)

**1**

**0**answers

### Relative boundedness of the adjoint

**2**

**0**answers

### A question about whether an operator can be lipschitz or not

**0**

**1**answer

### Heat kernel and convergence

**1**

**0**answers

### 2nd oder evolution equations and regularity results of their solution

**0**

**0**answers

### What is the minimum setting in which regularity results are available for the solutions of Poisson's equation?

**1**

**0**answers

### Propagation of singularities and the Schrodinger equation

**1**

**1**answer

### Behaviour of solutions to $(A-r)f=0$ in the limit $r \to \infty$

**2**

**1**answer

### Support of functions in Fourier domain

**5**

**1**answer

### Invariant subspace in infinite dimensions

**1**

**1**answer

### $L^2$ function in Schwartz space?

**1**

**1**answer

### Classification of a system of two second order PDEs with two dependent and two independent variables

**10**

**2**answers

### $x f'$ bounded by $x^2f $ and $f''$?

**0**

**2**answers

### Solving the Poisson equation using a random walk on $\mathbb Z ^d$

**2**

**1**answer

### order of the singularity of a Green's function to the fractional Laplacian

**0**

**0**answers

### Boundary controllability of the heat equation and observation

**7**

**2**answers