Totally isotropic subspaces of small height in quadratic spaces

Wai Kiu Chan, Lenny Fukshansky, Glenn R. Henshaw

Let $K$ be a global field or $\overline{\mathbb{Q}}$, $F$ a nonzero quadratic form on $K^N$, $N\ge 2$, and $V$ a subspace of $K^N$. We prove the existence of an infinite collectio…