Published online by Cambridge University Press: 02 March 2017
Let
$M$
be the Shimura variety associated to the group of spinor similitudes of a quadratic space over
$\mathbb{Q}$
of signature
$(n,2)$
. We prove a conjecture of Bruinier and Yang, relating the arithmetic intersection multiplicities of special divisors and complex multiplication points on
$M$
to the central derivatives of certain
$L$
-functions. Each such
$L$
-function is the Rankin–Selberg convolution associated with a cusp form of half-integral weight
$n/2+1$
, and the weight
$n/2$
theta series of a positive definite quadratic space of rank
$n$
. When
$n=1$
the Shimura variety
$M$
is a classical quaternionic Shimura curve, and our result is a variant of the Gross–Zagier theorem on heights of Heegner points.
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