Research

Research interests

  • Combinatorics, q-series and special functions

Publications

Conference Proceedings

  • (with Jang Soo Kim and Seunghyun Seo) Minimal transitive factorizations of a permutation of type (p,q), FPSAC 2012, 2012. / PDF
  • (with Jiang Zeng) A further correspondence between (bc,b)-parking functions and (bc,b)-forests, FPSAC 2009, 2009. / DMTCS Proceedings AK, 793-804.
  • (with Seunghyun Seo) Two involutions on vertices of ordered trees, FPSAC 2002, 2002. / PDF

Preprints

  • (with Suyoung Choi) On a decomposition of simple polytopes, in preparation, 2010.
  • A refined bijection between alternating permutations and 0-1-2 increasing trees, arXiv:1003.4564, preprint, 2010.
  • A new bijection between forests and parking functions, arXiv:0810.0427, submitted, 2008.

Talks

Projects

  • June - Nov. 2017 (6 months): Advanced distributed data analysis system and its applications, NIMS, Korea.
  • March 2017 - Feb. 2022 (5 years): Analysis of statistics for combinatorical objects using Multi-layer Neural Network, NRF, Korea.
  • Sep. - Dec. 2016 (3 months): Optimization of system for data analytics in industrial mathematics and its applications, NIMS, Korea.
  • Sep. 2013 - Feb. 2016 (2.5 years): BK21 PLUS Team for Applied Mathematics, NRF, Korea.
  • May 2012 - April 2015 (3 years): Minimal transitive factorizations of a permutation, NRF, Korea.
  • Oct. 2008 - Sep. 2010 (2 years): Combinatorics of q-series and orthogonal polynomials, CNRS, France
  • Sep. 2007 - Sep. 2008 (1 year): The refined bijection between the combinatorial objects, KRF, Korea.