Circa 2011
Antonio R. Vargas

Ph.D. Student

Chase Building, Room 226
Department of Mathematics and Statistics
Dalhousie University
Halifax, Nova Scotia, B3H 4J5

antoniov (at) mathstat (dot) dal (dot) ca

My CV.

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Research Interests

I'm primarily interested in studying the zeros of polynomials of a single complex variable (locating them, counting them, examining asymptotic distributions in families, etc.) from the standpoint of classical analysis.


Papers

Limit curves for zeros of sections of exponential integrals
A. R. Vargas
Constructive Approximation, (2014).
[SpringerLink, arXiv]

Zeros and convergent subsequences of Stern polynomials
A. R. Vargas
Journal of Mathematical Analysis and Applications, 398 (2013), No. 2, pp. 630–637.
[ScienceDirect, arXiv]

Interlacing and non-orthogonality of spectral polynomials for the Lamé operator
A. Bourget, T. McMillen, and A. R. Vargas
Proceedings of the American Mathematical Society, 137 (2009), No. 5, pp. 1699–1710.
[AMS, arXiv]


MSc. Thesis

Zeros of Sections of Some Power Series
[arXiv]


Misc. Notes

23 Feb, 2014 Interlocking bagel rings, a post about the surface area exposed after cutting a bagel into two interlocking rings
18 Feb, 2013 An animation of the zeros of sections of exponential integrals, an interesting plot that relates to my master's thesis
25 July, 2011 Asymptotic bound for a particular sum, answering a question of Qiaochu Yuan




Background

I received my BA in mathematics from California State University, Fullerton and my MSc. in mathematics from Dalhousie University.



Some cool web pages

The Beauty of Roots
John Baez
http://math.ucr.edu/home/baez/roots/


Some cool papers by other people

A sum over the zeros of partial sums of exp(x)
C. Yalçin Yildirim
Ramanujan Mathematical Society, 6 (1991), No. 1-2, pp. 51-66.
[pdf]

On the number of distinct zeros of polynomials
M. S. Klamkin and D. J. Newman
The American Mathematical Monthly, 66 (1959), No. 6, pp. 494-496.
[JSTOR]

Finite Calculus: A Tutorial for Solving Nasty Sums
David Gleich
[pdf]


Some cool books

Marden, Geometry of Polynomials

de Bruijn, Asymptotic Methods in Analysis

Halmos, Naive Set Theory

Olds, Continued Fractions