, 
Welcome to Wasin So's Homepage
Position : Professor of Mathematics
Office: MacQuarrie Hall Room 418
Office hours (July 11, 2016 -- January 26, 2017):
Address:
Department of Mathematics and Statistics
San Jose State University
San Jose, California 95192-0103
Telephone: 408-924-5155
Fax : 408-924-5080
Email: wasin dot so at 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.
- Visiting Researcher, Xiangtan Polytechnic University, Hunan, China, May--June 1999.
- Associate Professor, Houston State University, 1999--2000.
- Associate Professor, San Jose State University, 2000 -- 2006.
- Visiting Researcher, University of Malta, Malta, July 2012.
- Visiting Researcher, Cochin University of Science and Technology, Cochin, India, March--April, 2016.
- Professor, San Jose State University, 2006 -- present.
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****** Uncovered (by students) is Better than Covered (by teacher) ******
****** High Standard, Plenty Help, Some Fun ******
****** Not Just Think But Think Carefully, Confidently and Creatively ******
Courses taught next semester (Fall 2016: August 24 -- December 12, 2016):
Courses taught before:
- Calculus sequence:
- Discrete Mathematics sequence:
- Linear Algebra sequence:
- Probability and Statistics 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
- Probability Theory : the study of chances
- Number Theory : the study of integers
- Interest Theory : the study of money
Ongoing Projects, Preprints, and Recent Publications :
- On the energy and skew energy of graphs (with Wen-Huan Wang), preprint.
- The automorphism group of the Knodel graph W(k,2^k) (with R. Balakrishnana, P. Paulrajab, and M. Vinayd), preprint.
- A shorter proof of the distance energy of complete
multipartite graphs, submitted.
- On the sparsity of Jordan form (with Minh Vu), submitted.
- On adjacency matrix and energy of a mixed graph (with Chandrashekar Adiga and Rakshith B. R.),
Linear Algebra and its Applications 495 (2016) 223-241.
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Past publication (before 2016)
Upcoming meetings and Recent Presentations:
- Cochin University of Science and Technology, Cochin, India.
- ``Is There A Circulant Expander Family?'', April 7, 2016.
- ``Graph Energy Change due to Edge Deletion'', April 6, 2016.
- ``The Search of Integral Spectra from Circulant to Cayley Graphs``, March 31, 2016.
- ``Matrices and Graphs: a Two-Way Street ``, March 29, 2016.
- Bishop Chulaparambil Memorial College for Women, Kottayam, India, April 2, 2016.
- ``The mutually beneficial relationship of matrices and graphs''
- Joint Mathematics Meetings, Seattle, WA, January 6--9, 2016.
- "The automorphisms and eigenvalues of Knodel graphs"
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Past presentations (before 2016)
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****** Don't Need To, But Want To ******
****** Don't Want To, But Need To ******
Department (2016-2017)
Professional
- Master thesis/project students
- Jane Huang, Image Registration and Wavelet
Decomposition, 1997
- Linda Zientek, 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
- Vinh Nguyen, Family of Circulant Graphs and its Expander Properties , 2010.
Abstract
- David Zimmermann, The Friendship Theorem , 2010.
Abstract
- Usha Watson, Integral Cayley Graphs over Z_2 + Z_{2p} , 2011.
Abstract
- Nick Khorlin, A Characterization of Graphically Spectral Numbers , 2013.
Abstract
- Ryan Flarity, Generation and Completion of Unimodular Matrices , 2013.
Abstract
- Shanthi Kannan, Hitting Time and PageRank , 2014.
Abstract
- Minh Vu, A Study of the Sparsity Property of the Jordan Canonical Form, 2016.
- 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
- Hong Kong Baptist University, Hong Kong
- Bharathidasan University, India
- 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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