Tanja Eisner

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From left: Rainer Nagel [de], Tanja Eisner, Tamar Ziegler, Vitaly Bergelson, Markus Haase, Terence C. Tao, Balint Farkas, and Nikos Frantzikinakis, at the 2012 MFO Study Group Ergodic Theory and Combinatorial Number Theory

Tatjana (Tanja) Eisner (née Lobova, born July 1, 1980) is a Ukrainian and German mathematician specializing in functional analysis, ergodic theory, semigroups, and operator theory. She is a professor of mathematics at Leipzig University and the Dean of Study at the Institute of Mathematics at Leipzig University.[1]

Education and career[edit]

Eisner was born in Kharkiv, Ukraine, but has German citizenship. She earned a diploma in applied mathematics in 2002 from the National University of Kharkiv, with a diploma thesis supervised by Anna Vishnyakova. She then moved to Germany and earned a second diploma at the University of Tübingen in 2004, followed by a Ph.D. in 2007.[1] Her dissertation, Stability of Operators and -Semigroups, was supervised by Rainer Nagel [de].[1][2]

From 2007 to 2010, Eisner worked as a scientific assistant at the University of Tübingen. She was an assistant professor at the University of Amsterdam from 2011 to 2013 before joining Leipzig University as a professor in 2013. At Leipzig, she became dean in 2016.[1]


Eisner is the author of the book Stability of Operators and Operator Semigroups (Operator Theory: Advances and Applications, 209, Birkhäuser, 2010), a version of her habilitation thesis.[3] With Bálint Farkas, Markus Haase, and Rainer Nagel, she is the co-author of Operator Theoretic Aspects of Ergodic Theory (Graduate Texts in Mathematics 272, Springer, 2015).[4]


  1. ^ a b c d Curriculum vitae (PDF), retrieved 2018-10-14
  2. ^ Tanja Eisner at the Mathematics Genealogy Project
  3. ^ Batty, C. J. K. (2011), "Review of Stability of Operators and Operator Semigroups", Mathematical Reviews, MR 2681062
  4. ^ Assani, Idris, "Review of Operator Theoretic Aspects of Ergodic Theory", Mathematical Reviews, MR 3410920

External links[edit]