%0 Journal Article %T An asymptotic formula for representations of integers by indefinite hermitian forms %A Emilio A. Lauret %J Mathematics %D 2011 %I arXiv %R 10.1090/S0002-9939-2013-11726-0 %X We fix a maximal order $\mathcal O$ in $\F=\R,\C$ or $\mathbb{H}$, and an $\F$-hermitian form $Q$ of signature $(n,1)$ with coefficients in $\mathcal O$. Let $k\in\N$. By applying a lattice point theorem on the $\F$-hyperbolic space, we give an asymptotic formula with an error term, as $t\to+\infty$, for the number $N_t(Q,-k)$ of integral solutions $x\in\mathcal O^{n+1}$ of the equation $Q[x]=-k$ satisfying $|x_{n+1}|\leq t$. %U http://arxiv.org/abs/1109.6697v2