New posts in Quadratic Forms

Existence of solutions to diophantine quadratic form

How to solve inhomogeneous quadratic forms in integers?

Representation theorem for quadratic form on Hilbert space

Simple conjecture about rational orthogonal matrices and lattices

What is $\mathbb{E} [\max_{\sigma \in \{ \pm 1\}^n} \sigma^T Z \sigma]$ for a random Gaussian matrix $Z$?

When does $axy+byz+czx$ represent all integers?

Integer positive definite quadratic form as a sum of squares

When is a bilinear form equivalent to a trace form?

Proof of Witt's result about quaternion extensions

On Siegel mass formula