Hi, I am Associate Professor in the Department of Mathematical Sciences at University of Delaware in Newark,Delaware. I am interested in graph theory and combinatorics and their applications to other areas of mathematics and science. You can find our more about my work here

We have an active Discrete Mathematics group and we have a weekly Discrete Math Seminar.  If you would like attend or talk, please let us know.

I enjoy working with undergraduate and graduate students. If you are a student who likes math, please drop by my office or send me an email. I am currently supervising 4 Ph.D. students: Weiqiang (Ricky) Li, Jason Vermette, Peng Xu (with Mokshay Madiman) and Matt McGinnis.

Wiseley Wong was my first Ph.D. student between 2010 and 2013. He defended his Ph.D. Thesis Spanning trees, toughness and eigenvalues of graphs on March 12, 2013 and is a Lecturer at the University of Maryland.

Michael Tait was my first M.Sc. student between 2010 and 2011. He defended his M.Sc. Thesis The Alon-Saks-Seymour and Rank-Coloring Conjectures on April 20, 2011 and is a Ph.D. student at the University of California at San Diego working with Jacques Verstraete

I have also supervised the summer research of some bright undergraduate students: Michael Tait, Patrick Devlin, Dajun Lin, Michelle Markiewitz and Alexandra Sampugnaro, Emma Kulek and Yi Zhang.

I was an NSERC Postdoctoral Fellow at University of Toronto  (June-December 2008, my mentor was Mike Molloy) and at University of California at San Diego (February 2006-June 2008, my mentor was Fan Chung). I had obtained a Ph.D. in Math at Queen's University at Kingston, Canada in 2006, a M.Sc. in Math at Queen's in 2002 and a B.Sc. in Math/Computer Science at University of Bucharest, Romania in 2000. My Ph.D. advisors were: David Gregory, Ram Murty, David Wehlau. My M.Sc. advisor was Dom de Caen and my B.Sc. advisor was Ioan Tomescu.

At Queen's, I used to play soccer with the famous (at least on a 1/4 mile radius around Queen's campus) Mel's Angels. It must have been because of our great shirts. Corey Willman found it amusing to write this about my soccer skills.

"There is no problem
in all mathematics
that cannot be solved
by direct counting."

Ernst Mach

address:  Sebastian (Sebi) Cioaba
University of Delaware,
Department of Mathematical Sciences
Ewing Hall, Room 506

Office phone: (302) 831 1866
Newark  DE 19716-2553
cioaba at udel dot edu

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