Department of Mathematics
University of Massachusetts, Lowell
One University Ave
Lowell, MA 01854
tel: (978) 934-2445
fax: (978) 934-3053
Charles University Algebra Seminar, Prague, 2016
University of Washington Algebra Seminar, Seattle, 2015
Logic Colloquium Helsinki, 2015
An undergraduate talk on the vector-valued intermediate value theorem and the Brouwer fixed point theorem:
Budapest Semesters in Mathematics Budapest, 2013
New Directions in the Model Theory of Fields Durham, 2009
Morphisms of context-free grammars
to appear in the Kornai Festschrift
Elementary equivalences and accessible functors (with J. Rosicky)
submitted to the Annals of Pure and Applied Logic
The Grothendieck ring of varieties and of the theory of algebraically closed fields
to appear in the Journal of Pure and Applied Algebra
Cellular objects and Shelah's singular compactness theorem (with J. Rosicky)
Journal of Pure and Applied Algebra vol.220 (2016), pp.1813-1836
Abstract elementary classes and accessible categories (with J. Rosicky)
Annals of Pure and Applied Logic vol.163 (2012), pp.2008-2017
Topological invariance of the combinatorial Euler characteristic of o-minimal sets
Homology, Homotopy and Applications vol.13 (2011), pp.165-174
Zeta functions of equivalence relations over finite fields
Finite Fields and Their Applications vol.17 (2011), pp.68-80
Categorification, term rewriting and the Knuth--Bendix procedure
Journal of Pure and Applied Algebra vol.215 (2011), pp.728-740
Fibrations of simplicial sets
Applied Categorical Structures vol.18 (2010), pp.505-516
Isoperimetric inequalities and the Friedlander-Milnor conjecture
Crelle's Journal vol.587 (2005), pp.27-47
Higher Cech theory
K-Theory vol.32 (2004), no.4, pp.293-322
Simplicial torsors
Theory and Applications of Categories vol.9 (2001), no.3, pp.43-60
Theories of presheaf type
Journal of Symbolic Logic vol.69 (2004), no.3, pp.923-934
When is flatness coherent? (with Karazeris and Rosicky)
Communications in Algebra vol.33 (2005), no.6, pp.1903-1912
Sheafifiable homotopy model categories
Math. Proc. Camb. Phil. Soc. vol.129 (2000), no.3, pp.447-475
Sheafifiable homotopy model categories, Part II
Journal of Pure and Applied Algebra vol.164 (2001), no.3, pp.307-324
Operads from the viewpoint of categorical algebra
in: Higher homotopy structures in topology and mathematical physics, pp.29-47.
Contemp. Math. 227, American Mathematical Society, 1999
Homotopoi DVI file