Rational points on certain homogeneous varieties

Abstract

Let $L$ be a simply-connected simple connected algebraic group over a number field $F$, and $H$ be a semisimple absolutely maximal connected $F$-subgroup of $L$. Under a cohomological condition, we prove an asymptotic formula for the number of rational points of bounded height on projective equivariant compactifications of $\Delta (H)\backslash L^n$ with respect to a balanced line bundle, where $\Delta (H)$ is the image of $H$ diagonally embedded in $L^n$.

arXiv comment11 pages. Added an example

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