Professor of Mathematics. Acting Chair of Mathematics-Statistics Department since March 2016. (Former Department Chair, April 2003--June 2007; Acting Chair during July--December 2008, January--June 2014, and currently since March 2016.) Quick Bio

Research Area

Broadly, Functional Analysis. Primarily, C*-Algebras, Operator Algebras, K-theory, noncommutative geometry, theoretical and mathematical Physics. More

Recent Papers in Refereed Journals

S. Walters,
Semiflat Orbifold Projections, Houston J. Math. 44 (2018), 18 pages, to appear. arXiv:1711.01016

S. Walters,
Orthogonality Relations And Topological Invariants Of Fourier Invariant Fields Of Projections, Jour. Operator Theory 77 (2017), No. 1, 191-203. Online Abstract

S. Walters,
Projections Nearly Orthogonal To Their Symmetries, J. Math. Analysis Appl. 446 (2017), No. 2, 1356-1361.
DOI: http://dx.doi.org/10.1016/j.jmaa.2016.09.013

S. Walters,
Toroidal Orbifolds of Z3 and Z6 Symmetries of Noncommutative Tori,
Nuclear Physics B 894 (2015), 496-526.
DOI: http://dx.doi.org/10.1016/j.nuclphysb.2015.03.008
Dedicated to George Elliott on his 70th birthday.

S. Walters,
Periodic Integral Transforms And Associated Noncommutative Orbifold Projections,
C. R. Math. Rep. Acad. Sci. Canada 37 (2015), No. 3, 114-120. PDF available
Dedicated to George Elliott on his 70th birthday.

S. Walters,
Topological Obstruction To Approximating The Irrational Rotation C*-algebra By Certain Fourier Invariant C*-subalgebras,
C. R. Math. Rep. Acad. Sci. Canada 37 (2015), No. 3, 94-99. PDF available

My first best paper

S. Walters,
Inductive limit automorphisms of the irrational rotation algebra, Comm. Math. Phys. 171 (1995), no. 2, 365-381. MR 97a:46088

Recently Completed Papers

S. Walters,
The K-inductive Structure of the Noncommutative Fourier Transform, (2017), 14 pages. arXiv:1706.00076

Expository Papers

S. Walters,
How Einstein Got His Field Equations, (2016), 7 pages. (Expository paper based on a lecture by same title in commemoration of General Relativity centennial.) It is posted on the Cornell arXiv.

S. Walters,
Anticommutator Norm Formula for Projection Operators, preprint (2015), 8 pages. arXiv:1604.00699v1

Papers In Progress

S. Walters,
Orbifolds of the Weyl Algebra and their Traces (2017), 27 pages (approx).

S. Walters,
K-theoretical Invariant for Approximately Central Orbifold Projections (2017), 32 pages (approx).

S. Walters,
The Polynomial Rotation Algebra, (2016), approx 12 pages.(Expository paper on the rotation C*-algebra: its algebra without topology.)

S. Walters, (Expository Paper on Quantum Mechanics.)

Research Grant

My research has been partly supported by NSERC from 1990 until 2011. Thank you, NSERC.


Department of Mathematics and Statistics
The University of Northern B.C.
3333 University Way
Prince George, B.C. V2N 4Z9, CANADA