New posts in reference-request

Probability that two random permutations of an $n$-set commute?

Good reference texts for introduction to partial differential equation?

Diophantine equation $x^y-y^x=11$

When is Euler's totient function for two different integers equal?

why do most finite groups of order 128 resemble (at a distance) the elementary abelian group?

Are there deduction systems, which judge propositions by their proofs?

Applications of Banach Algebras and Operator Algebras

Good textbook for a first-course in Complex Analysis for independent study [duplicate]

Any simple group of order $60$ is isomorphic to $A_5$

A book in coding theory.

Creating geodesics on manifolds

Polynomials in nature

Effect of pullback of differential forms on an ideal

Properties of the internal language of the category of sheaves.

On the possible values of $\sum\varepsilon_na_n$, where $\varepsilon_n=\pm1$ (i.e., changing signs of the original series)

Is the closed form of $\int_0^1 \frac{x\ln^a(1+x)}{1+x^2}dx$ known in the literature?

Is there any mathematician who felt guilty for one of his math discoveries ever?

Geodesics of Sasaki metric

Spin group Spin(4,1)

Understanding iterated covariant derivatives to define Sobolev spaces on manifolds