October 6, 1998
Richard Wood, Gabriel-Ulmer Duality I

October 13, 1998
David Lever, Quantifiers in Boolean Rings

October 13, 1998
Richard Wood, Gabriel-Ulmer Duality II

October 20, 1998
Richard Wood, Gabriel-Ulmer III

October 20, 1998
Peter Schotch, Modal Logic I

October 27, 1998
Anthony Bonato, Colourings of graphs and relational structures

November 3, 1998
David Lever, First order logic in Boolean polynomial rings

November 3, 1998
Peter Schotch, Modal Logic II

November 10, 1998
Bob Rosebrugh, Minimal Realization in Span(Graph)

November 10, 1998
Dale Garraway, Quantales

November 17, 1998
Richard Wood, The effective projective completion of a colex category

November 24, 1998
Bob Paré, Bi-Heyting Algebras and Modal Operators after Reyes and Zolfaghari

November 24, 1998
Mitja Mastnak, Semi-simple algebras, Galois actions and group cohomology

December 1, 1998
Dietmar Schumacher, Factorizations in Bicategories

December 8, 1998
Dale Garraway, On the Quantization of Points

January 12, 1999
Richard Wood, A Basic Distributive Law

January 12, 1999
Margaret Beattie, Separable H-Galois Modules are Finite-Dimensional if H is Co-Frobenius

January 26, 1999
Tomaz Kosir, Jordan Algebras

February 2, 1999
Bob Paré, The Structure of Contravariant Functors on Sets

February 16, 1999
Yuly Billig, Representation Theory for Toroidal Lie Algebras

March 2, 1999
Dietmar Schumacher (with Renato Betti), Factorization Systems

March 2, 1999
Robert Dawson, Near-Linear Spaces

March 9, 1999
David Lever, Polymorphisms

April 6, 1999
Renzo Piccinini, Gauge Groups and Vector Bundles

June 9, 1999
Dorette Pronk, Crystal Symmetry: Groups, Groupoids and Orbifolds

June 14, 1999
Gonzalo Reyes, Fractional Exponents and Differential Equations

June 22, 1999
Francisco Marmolejo, Active Sums of Groups I

June 29, 1999
Francisco Marmolejo, Active Sums of Groups II