Esmeralda L. Nastase
Associate Professor

Department of Mathematics
Xavier University
Cincinnati, OH 452074441
(513) 7453260 (phone)
(513) 7453272 (fax)
nastasee@xavier.eduResearch:
My research area is Algebraic Combinatorics and Graph Theory, including  Vector Space Partitions
 Extremal Problems
 Graph Colorings
Refereed Journal Papers
 E. Nastase and P. Sissokho, On (t,s)partitions of a finite vector space. Submitted.
 E. Nastase and P. Sissokho, The complete characterization of the minimum size supertail in a subspace partition, Linear Algebra and its Applications, 559 (2018), 172180
 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, 1353362.
 E. Nastase and P. Sissokho, The maximum size of a partial spread II: Upper bounds, Discrete Mathematics, 340 (2017), 14811487.
 E. Nastase and P. Sissokho, The structure of the minimum size supertail of a subspace partition, Designs, Codes and Cryptography, 83 (2017), 549563.
 O. Heden, J. Lehmann, E. Nastase, and P. Sissokho, On the type(s) of minimum size subspace partitions, Discrete Mathematics, 332 (2014), pp. 19.
 O. Heden, J. Lehmann, E. Nastase, and P. Sissokho, The supertail of a subspace partition, Designs, Codes and Cryptography, 69 (2013), 305316.
 O. Heden, J. Lehmann, E. Nastase, and P. Sissokho, Extremal sizes of subspace partitions, Designs, Codes and Cryptography, 64 (3) (2012), 6574.
 E. Nastase and P. Sissokho, The minimum size of a subspace partition, Linear Algebra and its Applications, 435 (2011), 12131221.
 E. Nastase, V. Rodl, and M. Siggers, Note on Robust Critical Graphs with Large Odd Girth, Discrete Mathematics, 310 (3) (2010), 499504.
 A. Dudek, E. Nastase, and V. Rodl, On kChromatically Connected Graphs,
Discrete Mathematics, 309 (18) (2009), 55475550.