, 
Welcome to Wasin So's Homepage
Position : Professor of Mathematics
Office: MacQuarrie Hall Room 418
Office hours ( July 7 -- August 7, 2014):
- MoTuWe 10:15 -- 11:00 or by appointment (via email)
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 Lecturer, Xiangtan Polytechnic University, Hunan, China, May--June 1999.
- Associate Professor, Sam Houston State University, 1999--2000.
- Associate Professor, San Jose State University, 2000 -- 2006.
- Visiting Lecturer, University of Malta, Malta, July 2012.
- Professor, San Jose State University, 2006 -- present.
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****** Uncover is better than Cover ******
****** High Standard, Plenty Help, Some Fun ******
****** Not Just Think But Think Carefully, Confidently and Creatively ******
Courses taught this semester (Summer 2014, July 7 -- August 7, 2014):
- Math129A Linear Algebra I, MoTuWeTh 8:00--10:15, MH423
Courses taught next semester (Fall 2014):
- Math32 Calculus III, section 1, MoWe 9:00--10:15, MH320
- Math 229 Advanced Matrix Theory, MoWe 12:00--13:15, MH234
- Math32 Calculus III, section 4, MoWe 13:30--14:45, MH320
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.
- Finding the least element of the ordering of graphs with respect to their matching numbers (with Wen-Huan Wang), preprint.
- On minimum matching energy of graphs (with Wen-Huan Wang), preprint.
- Cycles have more energy than paths (with Wen-Huan Wang), preprint.
- A simple sufficient condition for complete positivity (with Changqing Xu), Operators and Matrices, accepted.
- Cutting right triangles right! (with Hidefumi Katsuura), Geombinatorics, accepted.
- Skew spectra of graphs without even cycles (with A. Anuradha and R. Balakrishnan), Linear Algebra and its Applications 444 (2014) 67--80.
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Past publication (before 2014)
Upcoming meetings and Recent Presentations:
- International Conference on Advances in Mathematical Sciences and Applications, Chikmagalur, Karnataka, India,
Dec 22--23, 2014.
- On the Matching Order of Graphs
- International Conference on Linear Algebra and its Applications, Manipal, Karnataka, India,
Dec 18--20, 2014.
- Graph Energy Change due to a Single Edge Deletion
- Forty-Fifth Southeastern International Conference on
Combinatorics, Graph Theory, and Computing, Boca Raton, Florida, March 3-7, 2014
- Cycles Have More Energy Than Paths
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Past presentations (before 2014)
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****** Don't Need To, But Want To ******
****** Don't Want To, But Need To ******
Department (2014-2015)
- Advisor of BS Applied Mathematics: concentration in Economics, and Actuarial Science
- Member of RTP and PTR committee
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 , 2013.
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
- 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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