**Papers and preprints:**

Adelic
action on periods,
submitted (with J.
Bernstein).

Lattice
points counting and bounds on periods ,Transactions of AMS, 372,
no.3, 2073--2102 (2019) (with F.Su).

Limiting
cycles and periods of Maass forms, Representations of Reductive
Groups, AMS Proceedings of Symposia in Pure Mathematics, vol. 101, 351--360
(2019).

Nodal domains of
Hecke--Maass forms II, American Math. J., 139, 1395--1447 (2017) (with A.
Ghosh and P. Sarnak).

Estimates of
triple products of automorphic functions II, J. of Number Theory, vol. 161,
457--533 (2016).

A uniform
bound for the geodesic period, Forum Mathematicum, vol. 27, 1569--1590
(2015).

Nodal domains of Maass forms I, GAFA, vol. 23, no. 5 , 1515--1568 (2013),
arXiv.org:1207.6625

(with A. Ghosh and P. Sarnak).

Torus periods for
GL(2) and Dirichlet series,

J. of Number
Theory, vol. 133, no. 1, 328--342 (2013).

Geodesic
restrictions for the Casimir operator

J. of Functional Analysis, vol.
261, no. 9, 2437--2460 (2011).

Subconvexity of triple L-functions

(with J. Bernstein), Annals of Math. 172, 1679--1718 (2010).

Rankin-Selberg without
unfolding

Journal of AMS, 21, no. 2, 439--477 (2008).

Periods,
subconvexity and representation theory

(with J.
Bernstein) , J. of Diff. Geometry v. 70 (1), 129--142 (2005).

Geodesic
restrictions and representation theory

preprint,
arXiv:math/0403437 (2004).

Microlocalization
of eigenfunctions and trilinear functionals

preprint,
arXiv:math/0404294
(2004).

Estimates of automorphic functions

(with J. Bernstein) Moscow Math. J. 4 (2004), no. 1, 19--37.

Sobolev norms of automorphic functionals

(with J. Bernstein) Internat. Math. Res. Notes
(IMRN), 2002:40, 2155--2174 (2002).

Laplace-Beltrami
operator and equdistribution of measures

Commun. Math Phys. 222, 249--267 (2001).

Non-vanishing
of periods

Forum Math. 13/4, 485--493 (2001).

Analytic continuation
of representations

(with J. Bernstein) Annals of Math. 150, 329--352 (1999).

Sobolev norms
and Fourier coefficients of cusp forms

(with J. Bernstein) C.R. Acad. Sci. Paris,327, 111--116 (1998).

**Notes of some talks:**

Automorphic Periods
and Representation Theory,

Automorphic forms and L-functions, CIMPA research school,

Weihai, China , August 1--14, 2010.

In memoriam of Bella
Subbotovsky,

Different approaches to
complexity in mathematics and mathematical physics,

Haifa, June
12-19, 2007.

Gelfand pairs and
bounds for various Fourier coefficients of automorphic functions

RIMS,
Kyoto, RIMS Proceedings, 1523, 158--172 (2006)

Estimation
of restrictions of Maass forms

Talk at Montreal (May, 2004)

Uniqueness in representation theory and
L-functions

Talk at Israel Math. Union
Session, (2003)