Welcome to Wasin So's Homepage
Position : Professor of Mathematics
Office: MacQuarrie Hall Room 418
Address:
Department of Mathematics
San Jose State University
San Jose, California 95192-0103
Telephone: 408-924-5155
Fax : 408-924-5080
Email: so at math dot sjsu dot edu
Education
Academic Experience
- Postdoctoral Researcher, Institute for Mathematics and its Applications,
University of Minnesota, 1991--1992.
- Postdoctoral Researcher,
Center of Linear Structures and Combinatorics , University of Lisbon, 1993.
- Project NExT Fellow, 1994--1995.
- Assistant Professor,
Sam Houston State University , 1992--1999.
- Associate Professor, Sam Houston State University, 1999--2000.
- Associate Professor, San Jose State University, 2000 -- 2006.
- Professor, San Jose State University, 2006 -- present.
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****** High Standard, Plenty Help, Some Fun ******
****** Not Just Think But Think Carefully, Confidently and Creatively ******
Office hours (Spring 2010):
- MW 10:00-11:00, M 15:00-17:00, and by appointment
Courses taught this semester (Spring 2010):
- Math 129A Linear Algebra I, section 1, MW 12:00--13:15, DH243
- Math 129A Linear Algebra I, section 2, MW 13:30--14:45, MH423
- Math 279A Graph Theory, section 1, MW 17:30--18:45, MH323
Courses taught before:
- Calculus sequence:
- Discrete Mathematics sequence:
- Statistics sequence:
- Linear Algebra sequence:
- Applied Math sequence:
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****** Expect the Unexpected ******
****** Often Imitated But Never Duplicated ******
Interests :
- Matrix Theory : the study of arrays
- Graph Theory : the study of dots and lines
- Laplacian integral graph
- Integral graph
- Graph energy bounds
- Probability Theory : the study of chances
- Random graph theory
- Random matrix theory
- Number Theory : the study of integers
Ongoing Projects, Preprints, and Recent Publications :
- Constructive proof of Horn's theorem for n =2, 3, in progress.
- Integral circulant graphs with spectral Adam property (with Chris Cusanza), in progress.
- Cutting right triangles (with Hidefumi Katsuura), in progress.
- Integral Graphs with Regular Structures, preprint.
- Distinct odd partitions whose product is a sum of squares (with Owen Brison), submitted.
- The Mycielskian of a graph (with R. Balakrishnan and T. Kavaskar), submitted.
- Non-existence of Circulant Expander Family (with Ka-Hin Leung and Vinh Nguyen), submitted.
- The Skew Energy of a Digraph (with C. Adiga and R. Balakrishnan), Linear Algebra and its Applications accepted.
- Applications of the Ky Fan theorem in the theory of graph energy (with Maria Robbiano, Nair Maria Maia de Abreu
and Ivan Gutman), Linear Algebra and its Applications accepted.
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Past publication (before 2010)
Upcoming meetings and Recent Presentations:
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****** Don't Need To, But Want To ******
****** Don't Want To, But Need To ******
Departmental (2009-2010)
- Retention, Tenure and Promotion Committee Member
- Graduate Qualifying Exam Committee Member
- Discrete Math & Graph Theory Course Committee Member
- Math 42 Course Coordinator
Professional
- Master thesis students
- Jane Huang, Image Registration and Wavelet
Decomposition, 1997
- Linda Zietak, Fundamental Similarity, 1997
- David Benzel, Pythagorean Triples and Jasmenwozc
Conjecture, 1998
- Christopher F. Cusanza, Integral Circulant Graphs
with the Spectral Adam Property , 2006. Abstract
- Viet Nguyen, Construction of Symmetric Matrices with
Prescribed Spectra, 2006. Abstract
- Tue Rust, Understand the Cayley-Hamilton Theorem, 2006.
Abstract
- Wilson Florero, The Search of Graphs Equienergetic with edge deleted subgraph , 2008.
Abstract
- Referee for the following journals
- Linear Algebra and its Applications
- Linear and Multilinear Algebra
- SIAM Journal on Matrix Analysis and Applications
- Electronic Journal of Linear Algebra
- American Mathematical Monthly
- Discrete Mathematics
- Reviewer of Mathematical Reviews
- Examiner of University of Hong Kong, Hong Kong Baptist University
- Co-organizer of the following meetings:
- 1999 Conference on Multiwavelets: theory and applications, Huntsville, Texas
- 2001 Southern California Matrix Conference, San Jose, California
- 2004 Southern California Matrix Conference, San Jose, California
- 2005 R. C. Thompson Matrix Conference, San Francisco, California
- 2007 R. C. Thompson Matrix Conference, Auburn, Alabama
- Judge of the following math/science fair
- 2001 Intel Science Fair
- 2002, 2003, 2004 MAA Math Undergrad Poster
- AP Statistics reader
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Linear Algebra Journals
Mathematical Societies
Mathematics Centers
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