Lerna Pehlivan

Lecturer in Mathematics

University of Twente


I am a lecturer in mathematics at University of Twente in the Netherlands. My research lies in the areas of probability theory, enumerative combinatorics, representation theory on symmetric groups, and analytic number theory. In probability theory and enumerative combinatorics my reseach has evolved around problems related to pattern avoiding permutations, card shuffling problems as well as random labellings on graphs. In analytic number theory my work involves representations of integers by quadratic forms, Theta function identities, determining the number of solutions of quadratic equations, and reciprocity laws for the Legendre symbol.


  • Probability Theory
  • Markov Chain Theory
  • Combinatorics
  • Representation Theory of Symmetric Groups
  • Analytic Number Theory


  • PhD in Mathematics

    University of Southern California

  • MS in Mathematics

    Bogazici University

  • BS in Mathematics

    Bogazici University

Recent Publications

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(2012). Some product-to-sum identities. In Journal of Combinatorics and Number Theory.


I am currently teaching

  • Calculus 1 for Applied Mathematics and Physics Majors
    • Lectures
    • Tutorials
    • Team-Based Learning
  • Discrete Mathematics for Computer Science Majors
    • Lectures
    • Tutorials

and have previously taught

  • Abstract Algebra I & II
  • Differential Equations
  • Statistics I & II
  • Matrix Algebra
  • Discrete Mathematics
  • Applied Multivariate and Vector Calculus
  • Calculus I & II
  • Precalculus I & II


  • l.pehlivan@utwente.nl
  • Department of Applied Mathematics, University of Twente, Enschede, The Netherlands