Taking advantage of methods originating with quantization theory, we try to get some better hold - if not an actual construction - of Maass (non-holomorphic) cusp-forms. We work backwards, from the rather simple results to the mostly devious road used to prove them.
@incollection{JEDP_1999____A15_0, author = {Unterberger, Andr\'e}, title = {From pseudodifferential analysis to modular form theory}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {15}, pages = {1--11}, publisher = {Universit\'e de Nantes}, year = {1999}, mrnumber = {1719006}, language = {en}, url = {http://www.numdam.org/item/JEDP_1999____A15_0/} }
Unterberger, André. From pseudodifferential analysis to modular form theory. Journées équations aux dérivées partielles (1999), article no. 15, 11 p. http://www.numdam.org/item/JEDP_1999____A15_0/
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