Esmeralda L. Nastase

Associate Professor

Department of Mathematics
Xavier University
Cincinnati, OH 45207-4441
(513) 745-3260 (phone)
(513) 745-3272 (fax)
nastasee@xavier.edu

Research:

My research area is Algebraic Combinatorics and Graph Theory, including

  • Vector Space Partitions
  • Extremal Problems
  • Graph Colorings

Refereed Journal Papers

  1. E. Nastase and P. Sissokho, On (t,s)-partitions of a finite vector space. Submitted.
  2. E. Nastase and P. Sissokho, The complete characterization of the minimum size supertail in a subspace partition, Linear Algebra and its Applications, 559 (2018), 172-180
  3. E. Nastase and P. Sissokho, The maximum size of a partial spread in a finite projective space, Journal of Combinatorial Theory Series A, 152 2017, 1353-362.
  4. E. Nastase and P. Sissokho, The maximum size of a partial spread II: Upper bounds, Discrete Mathematics, 340 (2017), 1481-1487.
  5. E. Nastase and P. Sissokho, The structure of the minimum size supertail of a subspace partition, Designs, Codes and Cryptography, 83 (2017), 549-563.
  6. O. Heden, J. Lehmann, E. Nastase, and P. Sissokho, On the type(s) of minimum size subspace partitions, Discrete Mathematics, 332 (2014), pp. 1-9.
  7. O. Heden, J. Lehmann, E. Nastase, and P. Sissokho, The supertail of a subspace partition, Designs, Codes and Cryptography, 69 (2013), 305-316.
  8. O. Heden, J. Lehmann, E. Nastase, and P. Sissokho, Extremal sizes of subspace partitions, Designs, Codes and Cryptography, 64 (3) (2012), 65-74.
  9. E. Nastase and P. Sissokho, The minimum size of a subspace partition, Linear Algebra and its Applications, 435 (2011), 1213-1221.
  10. E. Nastase, V. Rodl, and M. Siggers, Note on Robust Critical Graphs with Large Odd Girth, Discrete Mathematics, 310 (3) (2010), 499-504.
  11. A. Dudek, E. Nastase, and V. Rodl, On k-Chromatically Connected Graphs, Discrete Mathematics, 309 (18) (2009), 5547-5550.