Morten S. Risager

Phone+4535320756, +4522111473
Emailrisagermath.kudk
Websitehttp://risager.blogs.ku.dk/, https://www.math.ku.dk/~risager

Universitetsparken 5, 2100 København Ø, 04 Matematik E, 04-2-19

Research activity per year

20 Journal article
1 Article in proceedings
1 Comment/debate

22 results

2018
Arithmetic statistics of modular symbols
Petridis, Y. N. & Risager, M. S., 1 Jun 2018, In: Inventiones Mathematicae. 212, 3, p. 997-1053
Research output: Contribution to journal › Journal article › Research › peer-review
4 Citations (Scopus)

61 Downloads (Pure)
Averaging over Heegner Points in the Hyperbolic Circle Problem
Petridis, Y. N. & Risager, M. S., 21 Aug 2018, In: International Mathematics Research Notices. 2018, 16, p. 4942-4968
Research output: Contribution to journal › Journal article › Research › peer-review
3 Citations (Scopus)
On the variance of the error term in the hyperbolic circle problem
Cherubim, G. & Risager, O. S., 2018, In: Revista Matematica Iberoamericana. 34, 2, p. 655-685
Research output: Contribution to journal › Journal article › Research › peer-review
3 Citations (Scopus)
2017
Angles in hyperbolic lattices: The pair correlation density
Risager, M. S. & Södergren, C. A., 2017, In: Transactions of the American Mathematical Society. 369, 4, p. 2807-2841 44 p.
Research output: Contribution to journal › Journal article › Research › peer-review
4 Citations (Scopus)
Local average in hyperbolic lattice point counting: with an appendix by Niko Laaksonen
Petridis, Y. N. & Risager, M. S., 1 Apr 2017, In: Mathematische Zeitschrift. 285, 3, p. 1319–1344
Research output: Contribution to journal › Journal article › Research › peer-review
11 Citations (Scopus)

89 Downloads (Pure)
2014
Double Dirichlet series and quantum unique ergodicity of weight one-half Eisenstein series
Petridis, Y., Raulf, N. & Risager, M. S., 21 Oct 2014, In: Algebra & Number Theory. 8, 7, p. 1539-1595 57 p.
Research output: Contribution to journal › Journal article › Research › peer-review
3 Citations (Scopus)
2013

DISSOLVING OF CUSP FORMS: HIGHER-ORDER FERMI'S GOLDEN RULES
Petridis, Y. N. & Risager, M. S., Jul 2013, In: Mathematika. 59, 2, p. 269-301
Research output: Contribution to journal › Journal article › Research › peer-review

3 Citations (Scopus)
Erratum to "Quantum Limits of Eisenstein Series and Scattering States''
Petridis, Y. N., Raulf, N. & Risager, M. S., 1 Dec 2013, In: Canadian Mathematical Bulletin. 56, 4, p. 827-829 2 p.
Research output: Contribution to journal › Comment/debate › Research › peer-review
6 Citations (Scopus)
Non-vanishing of Taylor coefficients and Poincaré series
O'Sullivan, C. & Risager, M. S., 1 Jan 2013, In: Ramanujan Journal. 30, 1, p. 67-100 34 p.
Research output: Contribution to journal › Journal article › Research › peer-review
1 Citation (Scopus)
Quantum limits of Eisenstein series and scattering states
Petridis, Y. N., Raulf, N. & Risager, M. S., 1 Dec 2013, In: Canadian Mathematical Bulletin. 56, 4, p. 814-826 13 p.
Research output: Contribution to journal › Journal article › Research › peer-review
6 Citations (Scopus)
2011

Instability of cuspidal eigenvalues for hyperbolic surfaces
Risager, M. S. & Petridis, Y., 2011, Automorphic forms, trace formulas and zeta functions. Gon, Y. & Moriyama, T. (eds.). Kyoto, Vol. 1767. p. 146–160 15 p. (Proceedings of RIMS Symposium).
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
On Selberg's small eigenvalue conjecture and residual eigenvalues
Risager, M. S., Jul 2011, In: Journal fur die Reine und Angewandte Mathematik. 656, p. 179-211 32 p.
Research output: Contribution to journal › Journal article › Research › peer-review
1 Citation (Scopus)
2010
Pairs of periodic orbits with fixed homology difference.
Risager, M. S. & Sharp, R., Oct 2010, In: Proceedings of the Edinburgh Mathematical Society. 53, 3, p. 799–808 9 p.
Research output: Contribution to journal › Journal article › Research › peer-review
2009
Hyperbolic lattice-point counting and modular symbols
N. Petridis, Y. & Risager, M. S., 2009, In: Journal de Theorie des Nombres de Bordeaux. 21, 3, p. 719-732 14 p.
Research output: Contribution to journal › Journal article › Research › peer-review
2 Citations (Scopus)
On the statistics of the minimal solution of a linear Diophantine equation and uniform distribution of the real part of orbits in hyperbolic spaces.
Risager, M. S. & Rudnick, Z., 2009, In: Contemporary Mathematics. 484, p. 187 194 p.
Research output: Contribution to journal › Journal article › Research › peer-review
2008
Distribution of Angles in Hyperbolic Lattices
S. Risager, M. & L. Truelsen, J., 2008, In: Quarterly Journal of Mathematics.
Research output: Contribution to journal › Journal article › Research › peer-review
Equidistribution of geodesics on homology classes and analogues for free groups
Risager, M. S., 2008, In: Forum Mathematicum. 20, 5, p. 783-815 33 p.
Research output: Contribution to journal › Journal article › Research › peer-review

7 Citations (Scopus)
2006

Discrete logarithms in free groups
Risager, M. S. & Petridis, Y. N., 2006, In: Proceedings of the American Mathematical Society. 134, 4, p. 1003-1012 10 p.
Research output: Contribution to journal › Journal article › Research › peer-review

2 Citations (Scopus)
2005

The distribution of values of the Poincare pairing for hyperbolic Riemann surfaces
Risager, M. S. & Yiannis N., P., 2005, In: Journal fur die Reine und Angewandte Mathematik. 579, p. 159-173 14 p.
Research output: Contribution to journal › Journal article › Research › peer-review

6 Citations (Scopus)
2004

Asymptotic densities of Maass newforms
Risager, M. S., 2004, In: Journal of Number Theory. 109, 1, p. 96-119 24 p.
Research output: Contribution to journal › Journal article › Research › peer-review

5 Citations (Scopus)
Modular symbols have a normal distribution
Risager, M. S. & Petridis, Y. N., 2004, In: Geometric and Functional Analysis. 14, 5, p. 1013-1043 30 p.
Research output: Contribution to journal › Journal article › Research › peer-review

21 Citations (Scopus)
On the distribution of modular symbols for compact surfaces
Risager, M. S., 2004, In: International Mathematics Research Notices. 41, p. 2125-2146 22 p.
Research output: Contribution to journal › Journal article › Research › peer-review

11 Citations (Scopus)

Morten S. Risager

Research output

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