An arithmetic fundamental lemma for unitary group of three variable

An arithmetic fundamental lemma for unitary group of three variable

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Wei Zhang, Harvard University
Fine Hall 214

In this talk I'll present a relative trace formula approach to the Gross-Zagier formula and its high dimensional generalization (a derivative version of the global Gross-Prasad conjecture) for unitary group. In particular, an arithmetic fundamental lemma (AFL) is proposed. Some results proved recently will be presented, including the AFL for unitary group of three variable.