Publications

 

Papers and proceedings (2014 March - present)

21. Simplicial networks and effective resistance (co-author: K. Lee)
Advances in Applied Mathematics, Volume 100 (September 2018) 71-86  PDF

20. A weighted cellular matrix-tree theorem, with applications to complete colorful and cubical
complexes (co-authors: G. Aalipour, A. Duval, K. Lee, J. Martin)
Journal of Combinatorial Theory, Series A, Volume 158 (August 2018) 362-386  PDF

19. Möbius coinvariants and bipartite edge-rooted forests (co-author: K. Lee)
European Journal of Combinatorics, Volume 71 C (June 2018) 180-193  PDF

18. Harmonic cycles for graphs, (co-author: Y. Kim)
Linear and Multilinear Algebra (online February 2018)  PDF

17. Path-Intersection matrices and applications to networks, (co-authors: D. Kho et al.)
Linear Algebra and its Applications 524 (July 2017) 278-292  PDF

16. A formula for simplicial tree-numbers of matroid complexes, (co-author: K. Lee)
European Journal of Combinatorics, Volume 53 (April 2016) 59-65  PDF

15. Weighted tree numbers of matroid complexes (co-author: K. Lee),
Discrete Mathematics and Theoretical Computer Science Proceedings FPSAC (2015) 709-720  PDF

14. Logarithmic tree-numbers for acyclic complexes (co-author: H. Kim),
Electronic Journal of Combinatorics 21(1) #P1.50 (March 10, 2014)  PDF

13. Can knowledge be more accessible in a virtual network?: Collective dynamics of knowledge transfer in a virtual knowledge organization network (coauthor: S. Shin),
Decision Support Systems (March 2014) 180-189  Online

First author: 21, 19, 18, 16, 15
Corresponding author: 20, 17, 14, 13

 

Papers and proceedings (before 2014 March)

12. Multicomplex of partially edge-rooted forests,
European Journal of Combinatorics 33 (May 2012) 505-509

11. The h-vector of coned graphs,
Applied Mathematics Letters, Volume 24, Issue 4 (April 2011) 528-532

10. Combinatorial Green function of a graph and applications to networks,
Advances in Applied Mathematics, Volume 46 (Jan. 2011) 417-423
(Special issue in honour of Dennis Stanton 60th birthday)

9. Knowledge Transfer in a Multiple Virtual Communities Network (coauthor: S. Shin)
Hawaii International Conference on System Sciences, Proceedings, 5-8 Jan. 2010,
IEEE Computer Society 2010 (ISBN 978-0-7695-3869-3)

8. Edge-rooted forests and a-invariant of cone graphs,
Discrete Applied Mathematics, Volume 155, Issue 8, (2007) 1071-1075

7. The homology of the cycle matroid of a coned graph,
European Journal of Combinatorics, Volume 28, Issue 3 (2007) 734-741

6. On the product of log-concave polynomials,
Integers: The Electronic Journal of Combinatorial Number Theory 6 (2006), #A40

5. A formula for an evaluation of the Tutte polynomial of a matroid,
Discrete Mathematics 300 (2005) 235-238

4. Recurrence relations for the spectrum polynomial of a matroid,
Discrete Applied Mathematics 143 (2003) 312-317

3. Combinatorial Laplacians of matroid complexes (coauthors: V. Reiner and D. Stanton),
Journal of the American Mathematical Society 13, No. 1, 129-148 (2000)

2. A convolution formula for the Tutte polynomial (coauthors: V. Reiner and D.Stanton),
Journal of Combinatorial Theory, Series B 76, 297-300 (1999)

1. Categories of acyclic graphs and automorphisms of free groups,
Ph.D. Thesis, Stanford University (1997)

 

Preprints

Weighted Laplacians and weighted tree numbers of matroid complexes
(co-author: K. Lee) in preparation

Cycle intersection matrix, (co-author: C. Phifer) preprint

Monotonicity of complete graphs and symmetric complete bipartite graphs, preprint