## Convolutions of Hecke series and their values at lattice points.(English)Zbl 0397.10016

### MSC:

 11F11 Holomorphic modular forms of integral weight 11F67 Special values of automorphic $$L$$-series, periods of automorphic forms, cohomology, modular symbols

### Keywords:

Convolutions of Hecke-Series; Algebraicity Theorem

Zbl 0392.10028
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