Department of Mathematical Sciences

 

 
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  1. Published

    On the distribution of modular symbols for compact surfaces

    Risager, Morten S., 2004, In: International Mathematics Research Notices. 41, p. 2125-2146 22 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    Equidistribution of geodesics on homology classes and analogues for free groups

    Risager, Morten S., 2008, In: Forum Mathematicum. 20, 5, p. 783-815 33 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    Angles in hyperbolic lattices: The pair correlation density

    Risager, Morten 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. Published

    On Selberg's small eigenvalue conjecture and residual eigenvalues

    Risager, Morten S., 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

  5. Published

     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, Morten S. & Rudnick, Z., 2009, In: Contemporary Mathematics. 484, p. 187 194 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Modular symbols have a normal distribution

    Risager, Morten 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

  7. Published

    Pairs of periodic orbits with fixed homology difference.

    Risager, Morten S. & Sharp, R., 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

  8. Published

    Compositional Abstraction Error and a Category of Causal Models

    Rischel, E. F. & Weichwald, Sebastian, 2021, Proceedings of the Thirty-Seventh Conference on Uncertainty in Artificial Intelligence,. PMLR, p. 1013-1023 (Proceedings of Machine Learning Research, Vol. 161).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  9. Published

    Solution group representations as quantum symmetries of graphs

    Roberson, D. E. & Schmidt, Simon, 2022, In: Journal of the London Mathematical Society. 106, 4, p. 3379-3410

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Lasserre Hierarchy for Graph Isomorphism and Homomorphism Indistinguishability

    Roberson, D. E. & Seppelt, T., 2023, 50th International Colloquium on Automata, Languages, and Programming, ICALP 2023. Etessami, K., Feige, U. & Puppis, G. (eds.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 18 p. 101. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 261).

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  11. Published

    Divisibility properties for C*-algebras

    Robert, L. & Rørdam, Mikael, 2013, In: Proceedings of the London Mathematical Society. 106, 6, p. 1330-1370

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Invariant Models for Causal Transfer Learning

    Rojas-Carulla, M., Schoelkopf, B., Turner, R. & Peters, J., 2018, In: Journal of Machine Learning Research. 19, 1, p. 1-34

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Optimal quantum state discrimination via nested binary measurements

    Rosati, M., De Palma, G., Mari, A. & Giovannetti, V., 6 Apr 2017, In: Physical Review A. 95, 4, 10 p., 042307.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Anchor regression: Heterogeneous data meet causality

    Rothenhäusler, D., Meinshausen, N., Bühlmann, P. & Peters, J., 2021, In: Journal of the Royal Statistical Society. Series B: Statistical Methodology. 83, 2, p. 215 - 246

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Learning quantum many-body systems from a few copies

    Rouzé, C. & Stilck França, Daniel, 2024, In: Quantum. 8, 38 p., 1319.

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. Published

    Quantum preparation uncertainty and lack of information

    Rozpędek, F., Kaniewski, J., Coles, P. J. & Wehner, S., 20 Feb 2017, In: New Journal of Physics. 19, 23 p., 023038.

    Research output: Contribution to journal › Journal article › Research › peer-review

  17. Published

    Interpreting tree ensemble machine learning models with endoR

    Ruaud, A., Pfister, Niklas Andreas, Ley, R. E. & Youngblut, N. D., 2022, In: PLOS Computational Biology. 18, 12, 39 p., e1010714.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Improved Convergence Rate for the Simulation of Stochastic Differential Equations Driven by Subordinated Levy Processes

    Rubenthaler, S. & Wiktorsson, M., 2003, Københavns Universitet, p. 1-28.

    Research output: Working paper › Research

  19. Published

    Decay of eigenfunctions on semisimple symmetric spaces

    Rudnick, Z. & Schlichtkrull, Henrik, Dec 1991, In: Duke Mathematical Journal. 64, 3, p. 445-450 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    UCT-Kirchberg algebras have nuclear dimension one

    Ruiz, E., Sims, A. & Sørensen, A. P. W., 16 Jul 2015, In: Advances in Mathematics. 279, p. 1-28

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Teaching-based research: Models of and experiences with students doing research and inquiry: results from a university-wide initiative in a research-intensive environment

    Rump, Camilla Østerberg, Damsholt, Tine, Sandberg, Marie, Reeh, Tine R., Jensen, Hanne Nexø, Elmeskov, Dorte Christiansen, Sørensen, F. & Tolver, Anders, Jun 2017.

    Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

  22. Published

    Inferring causation from time series in Earth system sciences

    Runge, J., Bathiany, S., Bollt, E., Camps-Valls, G., Coumou, D., Deyle, E., Glymour, C., Kretschmer, M., Mahecha, M. D., Muñoz-Marí, J., van Nes, E. H., Peters, J., Quax, R., Reichstein, M., Scheffer, M., Schölkopf, B., Spirtes, P., Sugihara, G., Sun, J., Zhang, K. & 1 others, Zscheischler, J., 2019, In: Nature Communications. 10, 1, 13 p., 2553.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Stability bounds for ruin probabilities in a Markov modulated risk model with investments

    Rusaityte, D., 2002, Københavns Universitet: <Forlag uden navn>, p. 1-35.

    Research output: Working paper › Research

  24. Published

    Inference for biomedical data by using diffusion models with covariates and mixed effects

    Ruse, M. G., Samson, A. & Ditlevsen, Susanne, 2020, In: Journal of the Royal Statistical Society. Series C: Applied Statistics. 69, 1, p. 167-193

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Generators of graded rings of modular forms

    Rustom, N., 2014, In: Journal of Number Theory. 138, p. 97-118

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Generators and relations of the graded algebra of modular forms

    Rustom, N., Feb 2016, In: Ramanujan Journal. 39, 2, p. 315-338

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Algebra and Arithmetic of Modular Forms

    Rustom, N., 2014, Department of Mathematical Sciences, Faculty of Science, University of Copenhagen. 117 p.

    Research output: Book/Report › Ph.D. thesis › Research

  28. Published

    Universal Coding for Sources with Partially Ordered Probabilities

    Ryabko, B. & Topsøe, Flemming, 2001, Proceedings, 2001 IEEE International Symposium on Information Theory. Piscataway, USA: IEEE Signal Processing Society, p. 337

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  29. Published

    On Asymptotically Optimal Methods of Prediction and Adaptive Coding for Markov Sources with Unknown Memory

    Ryabko, B. & Topsøe, Flemming, 2000, Proceedings, 2000 IEEE International Symposium on Information Theory, Sorrento, June 2000. Piscataway, NJ, USA: IEEE Signal Processing Society, p. 71

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  30. Published

    On Asymptotically Optimal Methods of Prediction and Adaptive Coding

    Ryabko, B. & Topsøe, Flemming, 1998, Proceedings of the 1998 IEEE International Symposium on Information Theory, MIT, August 1998. Piscataway, NJ, USA: IEEE Signal Processing Society, p. 316

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  31. Published

    On Asymptotically Optimal Methods of Predictionj and Adaptive Coding for Markov Sources

    Ryabko, B. & Topsøe, Flemming, 2001, In: Journal of Complexity. 17, p. 1-18

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Hausdorff Dimension as a New Dimension in Source Coding and Predicting

    Ryabko, B., Suzuki, J. & Topsøe, Flemming, 1999, Proceedings of the 1999 IEEE Information Theory and Communications Workshop, Kruger National Park, June, 1999. Piscataway, NJ, USA: IEEE Signal Processing Society, p. 66-68

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  33. Published

    New insight into epirubicin cardiac toxicity: Competing risks analysis of 1097 breast cancer patients

    Ryberg, M., Nielsen, D., Cortese, G., Nielsen, G., Skovsgaard, T. & Andersen, Per Kragh, 2008, In: JNCI - Journal of the National Cancer Institute. 100, 15, p. 1058-1067 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Empirical analysis of rough and classical stochastic volatility models to the SPX and VIX markets1

    Rømer, Sigurd Emil, 2022, In: Quantitative Finance. 22, 10, p. 1805-1838

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Essays on rough and classical stochastic volatility

    Rømer, Sigurd Emil, 2022, Department of Mathematical Sciences, Faculty of Science, University of Copenhagen. 187 p.

    Research output: Book/Report › Ph.D. thesis › Research

  36. Published

    How does the volatility of volatility depend on volatility?

    Rømer, Sigurd Emil & Poulsen, Rolf, 2020, In: Risks. 8, 2, p. 1-18 59.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Excursion sets of infinitely divisible random fields with convolution equivalent Lévy measure

    Rønn-Nielsen, A. & Jensen, E. B. V., Aug 2016, Aarhus University, 21 p. (CSGB Research Reports; No. 11, Vol. 2016).

    Research output: Working paper › Research

  38. Published

    Tail asymptotics for the supremum of an infinitely divisible field with convolution equivalent Lévy measure

    Rønn-Nielsen, A. & Jensen, E. B. V., 2016, In: Journal of Applied Probability. 53, 1, p. 244-261.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Tail asymptotics for the supremum of an infinitely divisible field with convolution equivalent Lévy measure

    Rønn-Nielsen, A. & Jensen, E. B. V., 2014, Aarhus University, (CSGB Research Reports; No. 9, Vol. 2014).

    Research output: Working paper › Research

  40. Published

    Estimation of sample spacing in stochastic processes

    Rønn-Nielsen, A., Sporring, Jon & Jensen, E. B. V., 2017, In: Image Analysis and Stereology. 36, 1, p. 43-49 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  41. Published

    Just-infinite C∗-algebras and Their Invariants

    Rørdam, Mikael, 2019, In: International Mathematics Research Notices. 2019, 12, p. 3621-3645 25 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  42. Published

    A Dixmier type averaging property of automorphisms on a C∗-Algebra

    Rørdam, Mikael, 2023, In: International Journal of Mathematics. 34, 4, 2350017.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Structure and classification of C*-algebras

    Rørdam, Mikael, 2007. 18 p.

    Research output: Contribution to conference › Paper › Research

  44. Published

    The Jiang-Su algebra revisited

    Rørdam, Mikael & Winter, W., 2010, In: Journal fur die Reine und Angewandte Mathematik. 642, p. 129-155 26 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Endomorphisms of O_n which preserve the canonical UHF-subalgebra

    Rørdam, Mikael, Szymanski, W. & Conti, R., 2010, In: Journal of Functional Analysis. 259, p. 602-617 16 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    AF-algebras

    Rørdam, Mikael, 1997, Encyclopaedia of Mathematics Supplement I. Kluwer Law International, p. 37-38

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  47. Published

    Purely infinite C*-algebras arising from crossed products

    Rørdam, Mikael & Sierakowski, A., 2012, In: Ergodic Theory and Dynamical Systems. 32, p. 273-293 21 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Strongly self-absorbing C*-algebras which contain a non-trivial projection

    Rørdam, Mikael & Dadarlat, M., 2009, In: Münster Journal of Mathematics. 2, p. 35-44 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Properly infinite C(X)-algebras and K_1-injectivity

    Rørdam, Mikael, Rohde, R. & Blanchard, E., 2008, In: Journal of Noncommutative Geometry. 2, 3, p. 263-282 20 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    An Introduction to K-theory for C*-algebras

    Rørdam, M., Larsen, F. & Laustsen, N. J., 1999, An Introduction to K-theory for C*-algebras. Cambridge: Cambridge University Press, p. 250 + x

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

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