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Jani Virtanen

Professor

Department of Physics and Mathematics, Faculty of Science, Forestry and Technology

[email protected] | +358 50 479 7566

Information Publications

Research groups

Selected publications

  1. E. Basor, T. Ehrhardt, J. Virtanen, Asymptotics of block Toeplitz determinants with piecewise continuous symbols, Comm. Pure Appl. Math. 78 (2025) 120-160.
  2. C. Bellavita, V. Daskalogiannis, S. Miihkinen, D. Norrbo, G. Stylogiannis, J. Virtanen, Generalized Hilbert matrix operators acting on Bergman spaces, J. Funct. Anal. 288 (2025), no. 9, Paper No. 110856.
  3. R. O’Loughlin, J. A. Virtanen, Crouzeix’s conjecture for classes of matrices, Linear Algebra Appl. 697 (2024), 277-292.
  4. Z. Hu, J. A. Virtanen, IDA and Hankel operators on Fock spaces, Anal. PDE 16:9 (2023), 2041-2077.
  5. A. Perälä, J. Virtanen, Essential positivity, Proc. Amer. Math. Soc. 151 (2023), no. 11, 4807-4815.
  6. S. Chandler-Wilde, R. Hagger, K.-M. Perfekt, J. Virtanen, On the spectrum of the double-layer operator on locally-dilation-invariant Lipschitz domains, Numer. Math. 153 (2023), no. 4, 635-699.
  7. Z. Hu, J. Virtanen, Schatten class Hankel operators on the Segal-Bargmann space and the Berger-Coburn phenomenon, Trans. Amer. Math. Soc. 375 (2022), no. 5, 3733-3753.
  8. Z. Hu, J. Virtanen, Fredholm Toeplitz operators on doubling Fock spaces, J. Geom. Anal. 32 (2022), no. 4, Paper No. 106, 29 pp.
  9. H. Gissy, S. Miihkinen, J. Virtanen, On the exponential integrability of conjugate functions, J. Fourier Anal. Appl. 27 (2021), no. 6, Paper No. 87, 17 pp.
  10. L. Brightmore, G. Gehér, A. Its, V. Korepin, F. Mezzadri, M. Mo, J. Virtanen, Entanglement entropy of two disjoint intervals separated by one spin in a chain of free fermion, J. Phys. A 53 (2020), no. 34, 345303, 31 pp.

Publications

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