Alexandru A. Popa

Institute of Mathematics "Simion Stoilow"
of the Romanian Academy
Office: 810
Email: aapopa@gmail.com

CV

Papers

Central values of Rankin L-series over real quadratic fields Download pdf.
Compositio Math. 142 (2006), 811-866, doi:10.1112/S0010437X06002259
Whittaker newforms for archimedean representations of GL(2)
J. of Number Theory 128/6 (2008), 1637-1645, doi:10.1016/j.jnt.2007.06.005
Rational decomposition of modular forms
Ramanujan J. 26/3 (2011), 419-435, doi:10.1007/s11139-011-9301-6
Pair correlation of angles between reciprocal geodesics on the modular surface
(with F.P. Boca, V. Pasol, A. Zaharescu)
Algebra and Number Theory, 8-4 (2014), 999-1035, doi: 10.2140/ant.2014.8.999
Modular forms and period polynomials
(with V. Pasol)
Proc. Lond. Math. Soc. 107/4 (2013), 713-743, doi:10.1112/plms/pdt003
On the Petersson scalar product of arbitrary modular forms
(with V. Pasol)
Proc. Amer. Math. Soc. 142 (2014), 753-760, doi:10.1090/S0002-9939-2013-11815-0
An algebraic property of Hecke operators and two indefinite theta series
(with V. Pasol)
Forum Math. 27/2 (2015), 915-928, doi:10.1515/forum-2012-0114
Pair correlation of hyperbolic lattice angles
(with F.P. Boca, A. Zaharescu)
Int. J. Number Theory 10/8 (2014), 1955-1989, doi:10.1142/S1793042114500651
A combinatorial refinement of the Kronecker-Hurwitz class number relation
(with D. Zagier)
Proc. Amer. Math. Soc., Early view (2016), doi:10.1090/proc/13281

Preprints

On the trace formula for Hecke operators on congruence subgroups
ArXiv
A generalization of Ramanujan's congruence to modular forms of prime level
(with R. Gaba)
ArXiv
 

Conferences

Workshop on modular forms and Galois representations, August 22-23, 2016

Fourth Bucharest Number Theory Day, July 19, 2016

Third Bucharest Number Theory Day, August 3rd, 2015

Second Bucharest Number Theory Day, July 22nd, 2014

Bucharest Number Theory Day, July 16th, 2013

Workshop on "Automorphic forms and L-functions", June 6-8, 2012