Theory of computation, particularly the connections among logic, automata and computational complexity. His current research projects involve algebraic and model-theoretic approaches to circuit complexity and to automata operating on unranked trees.
Howard Straubing. Finite automata, formal logic, and circuit complexity. Progress in Theoretical Computer Science. Birkhäuser Boston Inc., Boston, MA, 1994.
Research and Expository Articles
Arkadev Chattopadhyay, Frederic Green, Howard Straubing, Circuit complexity of powering in fields of odd characteristic, Chicago J. Theor. Comput. Sci. (2016)
Andreas Krebs, Kamal Lodaya, Paritosh Pandya and Howard Straubing, Two-variable logic with a between relation, Proc. 27th IEE Symposium on Logic in Computer Science (LICS) (2016), 106-115.
Andreas Krebs and Howard Straubing, EF+EX forest algebras, in A. Maletti (ed.), Algebraic Informatics, Springer Lecutre Notes in Computer Science 9270, 128-139 (2015).
Howard Straubing, A new proof of the locality of R. International Journal of Algebra and Computation 25 (1-2), 293-300 (2015)
Howard Straubing, s, RAIRO - Theoretical Informatics and Applications 47(3), 261 - 291 (2013)
Andreas Krebs and Howard Straubing, Â . FSTTCS 2012: 86-98
Mikolaj Bojanczyk, Howard Straubing, and Igor Walukiewicz, , Â Logical Methods in Computer Science 8 (3:19), 38pp. (2012). (An extended abstract was published in Proc. 24th IEEE Symposium on Logic in Computer Science (LICS) (2009) 255-263.)
Mikolaj Bojanczyk, Luc Segoufin and Howard Straubing, , Â Logical Methods in Computer Science 8 (3:26), 32pp. (2012) Â (An extended abstract was prublished in Proc. 23rd IEEE Symposium on Logic in Computer Science (LICS) (2008) 442-451.)
Howard Straubing and Pascal Weil. An introduction to finite automata and their connection to logic, in Modern applications of automata theory (D. D'Souza, Priti Shankar eds), IISc Research Monographs 2, World Scientific (2012), pp. 3-43.Â
Howard Straubing, Algebraic Characerization of the Alternation Hierarchy in FO2[<] on Finite Words, in Computer Science Logic 2011, LIPIcs 12 (2011) 525-537. Â []
Amitabha Roy and Howard Straubing, Definability of languages by generalized first-order formulas over (N,+), in SIAM J. Computing, 37(2)  502–521, (2007). [] (Prelimina