I am a Professor in the Mathematics Department at Cal Poly, San Luis Obispo.  My office is #308 in Faculty Offices East, Bldg. 25. 

I am the faculty advisor to KME.

Winter 2013:  I teach Math 241 and Math 206.


Click here to see my various photo galleries.

 


Research Papers:

1. Norms of Composition Operators with Rational Symbol (with Sean Effinger-Dean, Alan Johnson, and Joseph Reed)
This paper appears in the Journal of Mathematical Analysis and Applications, 324 (2006) 1062-1072.
You can see it on their web site (subscription may be necessary) here.
Click here for the abstact, or pick one of the following to view the whole paper:

PDF format ,  DVI format , or AMS-LaTeX file

2. Continuity of the Norm of a Composition Operator (with David Pokorny)
This paper appears in the journal Integral Equations and Operator Theory, Volume 45, Issue 3, March 2003, pp 351-358.
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3. Strict Convexity of Some Subsets of Hankel Operators (with Caixing Gu)
This paper appears in the Proceedings of the American Mathematical Society, Volume 131, Number 9 (2003), 2779-2789.
You can see it on their web site here.
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4. Kernels of Hankel Operators and Hyponormality of Toeplitz Operators (with Caixing Gu)
This paper appears in Mathematische Annalen, Volume 319 Issue 3 (2001) pp 553-571.
You can see it on their web site here .
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5. The Essential Norm of a Composition Operator on a Planar Domain (with Stephen D. Fisher)
This paper appears in the Illinois Journal of Mathematics, 43 (1999), 113-130.
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6. Aleksandrov Measures Used in Essential Norm Inequalities for Composition Operators
This paper appears in the Journal of Operator Theory, 40 (1998), 133-146.
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7. Singular Factors are Rare (with Stephen D. Fisher)
This paper appears in the Michigan Mathematical Journal, 44 (1997), 231-237.
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8. Relative Angular Derivatives
This paper appears in the Journal of Operator Theory, 46 (2001), 265-280.
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9. More Relative Angular Derivatives
This paper appears in the Journal of Operator Theory, 49 (2003), 85-97.
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Winter 2013 Office Hours in 308 Faculty Offices East (Bldg. 25):
Monday:  11:10 am –12:00 noon
Tuesday: 12:10-1:00 pm
Thursday: 12:10-1:00 pm
Friday: 8:10 – 9:00 am and 12:10-1:00pm


Drop by, e-mail me, or call me at my office phone: (75)6-1675 with any questions or to make an appointment.



Contact information for Jonathan Shapiro:

Mathematics Department
California Polytechnic State University
San Luis Obispo, CA 93407
Phone: (805) 756-1675
Fax: (515) 581-0865


jshapiro@calpoly.edu