Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.

**-1**

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### Example of function belongs to Orlicz space but not in Lebesgue spaces

**1**

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### inverse of sobolev riemannian metric still sobolev?

**2**

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### Continuous Local Martingales under time change under what conditions are they still local martingales?

**8**

**2**answers

### Hölder continuity for operators

**1**

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### Does this chain rule in Sobolev spaces hold?

**1**

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### A problem on integrability of derivatives

**1**

**1**answer

### A simple two variable analytic inequality, inspired by probability

**0**

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### A variant of the optimal transport

**1**

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### Is that correct $\mathbb R^2\cong\mathbb R$ as measurable spaces? [closed]

**2**

**1**answer

### Schwartz space on $\bigcup_{n=1}^CR^n$

**4**

**2**answers

### Can we stay invertible while approximating linear maps in Sobolev spaces?

**3**

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### Cadlag and adapted (usual conditions assumed) imply progressively measurable (related to Protter's Stochastic Calculus theorem 6)

**1**

**1**answer

### Giving Uniform Bound on Differences of Sums of Converging Polynomials

**3**

**0**answers

### Constant in trace theorem for balls

**1**

**0**answers

### Nonlinear maps in Riesz Thorin theorem

**7**

**1**answer

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

**11**

**1**answer

### Nonlinear Schrödinger equation with discrete Laplacian

**5**

**2**answers

### Existence of Solution, System of Equations

**11**

**2**answers

### Semigroup of differentiable functions on real line

**-1**

**1**answer

### How to choose compactly supported smooth $h$ so $h^2(x)+ h^2(x-1)=1$ for all $x\in [0,1],$ and $\int_{-3/4}^{3/4} |h(x)|^2 dx =3/2$? [closed]

**2**

**0**answers

### Dependency of the Wasserstein distance on the parameter: a differential perspective

**15**

**1**answer

### Can an injective $f: \Bbb{R}^m \to \Bbb{R}^n$ have a closed graph for $m>n$?

**12**

**2**answers

### The Riemann hypothesis as a problem in analysis

**2**

**1**answer

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

**4**

**2**answers

### A kind of exponential concavity for polynomials?

**3**

**0**answers

### PDE satisfied by projection of a function onto a subspace

**1**

**1**answer

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

**0**

**0**answers

### Integer reduction of a positive semidefinite matrix

**19**

**2**answers

### Mathematical Evidence Backing $|\mathbb{R}|=\aleph_2$

**7**

**2**answers

### Non-separable metric probability space

**0**

**0**answers

### Is there a standard definition for this topology setup?

**1**

**0**answers

### Higher Order Partial Derivatives Test

**34**

**5**answers

### “Long-standing conjectures in analysis … often turn out to be false”

**2**

**0**answers

### Absence of fixed points

**2**

**1**answer

### Computing minimum / maximum of strange two variable funcion

**1**

**2**answers

### Dirichlet problem for capillary equation over convex domain

**16**

**1**answer

### Differential equation changing sign almost everywhere

**3**

**1**answer

### Function square-integrable

**2**

**3**answers

### Uniqueness of solution depending on constant?

**9**

**1**answer

### Current vs Varifold

**1**

**1**answer

### Generalizations of Pedal Coordinates

**-2**

**1**answer

### A generalization of Chebyshev's sum inequality

**0**

**0**answers

### Estimation of the integral $\int_a^b e^{2\pi i f(x)} dx $

**16**

**2**answers

### Existence of an antiderivative function on an arbitrary subset of $\mathbb{R}$

**0**

**1**answer

### Do functions exist and are they dense? Or does it depend on the basis?

**1**

**2**answers

### Number theory on Banach space $L^2(\mathbb R)$ meets linear independence?

**-2**

**0**answers

### Oscillating particle motion

**1**

**1**answer

### An equation in Gamma function has at most (n-1) positive solutions

**0**

**0**answers

### Is $\sum_{m\in \mathbb Z} f(x-m)f(x-n) \in L^2(a,b)$ if $f\in L^2(\mathbb R)$?

**3**

**0**answers