- Jan 23, 1998, 1000AM–1130AM, Anthony D’Aristotile, (SUNY at Plattsburgh) Brownian Motion and the Classical Groups.
- Feb 19, 1998, 4:00PM, Room C-208. Joaquim Borges i Ayats, (University of Barcelona) Varieties of Designs.
- February 24, 1998, 3:00PM, Room A-123. Tudor Zamfirescu, University of Dortmund, Criticism on Surfaces.
- Feb 26, 1998, 4:00PM, Room C-208. Joaquim Borges i Ayats, (University of Barcelona) On Homogeneous Perfect Single Error Correcting Codes.
- March 5, 1998, 4:00PM, Room C-208. Joaquim Borges i Ayats, (University of Barcelona) A Characterization of 1-Perfect Additive Codes (Part I).
- March 12, 1998, 4:00PM, Room C-208. Joaquim Borges i Ayats, (University of Barcelona) A Characterization of 1-Perfect Additive Codes (Part II).
- March 20, 1998, 11:00 AM, Room A 123. Norberto Salinas, (University of Kansas, Lawrence) Points of Infinite Curvature in the Boundary of the Matricial Range and Finite Dimensional Representations.
- March 24, 1998, 11:00AM, Room C-209. Richard P. Stanley, (MIT) The Upper Bound Conjecture and Cohen-Macauly Rings.
- March 24, 1998, 4:00PM, Room C-310. Gabor T. Herman, (University of Pennsylvania) Tomography in Electron Microscopy.
- April 23, 1998, 11:30 AM, Room C-209. Bahman Kalantari, (University of Rutgers) Determinantal Approximation of Roots of Polynomials and Special Algebraic Numbers.
- May 19, 1998, 03:00 AM, Room A-208. Curt Lindner, (Auburn University) How to Embed a Partial 4-Cycle System.
- May 20, 1998, 11:00 AM, Room A-123. Laszlo Zsido ( University of Rome II) Topological Properties of Multiplier C*-Algebras.
- June 15, 1998, 11:00 AM, Room A-123. Gieri Simonett (Vanderbilt University) Motion of Surfaces by Curvature.
- June 18, 1998, 11:00 AM, Room A-123.Rabah Labbas ( Universit\’e du Havre, France) Singular Behaviour of Dirichlet Problem in Sobolev Spaces built on LP and Holder Spaces.
- Tuesday September 1st, 1998 0300PM., Room A-123. (weekly eminar) W. H. Summers, Semigroup Solutions of Functional Differential Delay Equations.
- December 1, 1998, 02:30 PM, Room A-123. W. H. Summers, A local approach to global solutions of a single species population model.
- December 8, 1998, 0230PM, Room A-123, Gunter Lumer ( University of Mons, Belgium) Blow up, Big Bang and Parabolic Equations with Singular Interactions.
- December 18, 1998, 0100PM, Room A-123, Mircea Martin (Baker University, Kansas) Spin geometry and Clifford analysis; techniques in multidimensional operatpor theory