University of Connecticut, Mathematics

Charles Vinsonhaler  Department of Mathematics University of Connecticut Storrs, CT 06269-3009 Office: MSB 316 Telephone: (860) 486-3944 Fax: (860) 486-4238 email: vinsonhaler@math.uconn.edu Office Hours: MW 10-11, T 9-10 or by appt.

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B.S. 1964 California Institute of Technology
M.S. 1966 University of Washington
Ph.D. 1968 University of Washington
ASA 1985 Associate of the Society of Actuaries

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What can I do with a math degree?

Courses: Math 102Q: Problem Solving  Course Home Page
Math 135Q: Calculus I Course Home Page
                Math 231Q: Probability  Course Home Page
Math 286/386: Operations Research (Simulation) Course Home Page
                Math 360:  Mathematical Pedagogy Course Home Page

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Research Interests

Abelian Groups, Rings, Representations of Partially Ordered Sets, Actuarial Science

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Selected Publications

· (with K.C. O’Meara, Approximately Simultaneously Diagonalizable Matrices, Lin. Alg and Appl. 412(2006), 39-74.

· (with H.P. Goeters), Butler modules and Bext, Rings, Modules, Algebras and Abelian Groups, Lecture Notes in Pure and Appl. Math. 236(2004), Marcel Dekker, New York, 307-319.

· (with K.C. O'Meara), Ko-like constructions for almost completely decomposable groups, J. Algebra 263(2003), 8-16.

· (with A. Mader and L.G. Nongxa), Sharp types revisited , Rocky Mt. J. Math. 32(2002), 1505-1522.

· (with G. Rasoanaivo, N. Ravishanker and J. Vadiveloo), Multivariate Analysis of Pension Plan Mortality Data , North American Actuarial J. 5(2001), 126-138.

· (with K.C. O'Meara), Generalizations of isomorphism in torsion-free abelian groups, Contemporary Math. 273(2001), 39-49.

· (with L.G. Nongxa and K.M. Rangaswamy), Torsion-free modules of finite balanced-projective dimension over valuation domains , J. Pure and Appl. Algebra 156(2001), 247-265.

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last modified: January 17, 2006: C. Vinsonhaler