Luis G. Valdez-Sanchez

 

Associate Professor

University of Texas at El Paso

Department of Mathematical Sciences

El Paso, TX 79968-0514

Phone: (915) 747-6766

Email: valdez@math.utep.edu

Office: 222 Bell Hall

Education

University of California, Berkeley

Ph.D. Mathematics; Fall 1995
M.A. Mathematics; Spring 1993
Ph.D. Candidacy, Mathematics; Fall 1989


University of Texas, El Paso

B.S. (Honors) Mathematics, Physics (minor); Fall 1987

Spring 2008 Courses

Office hours: MWF 0810 am – 0920 am or by appointment.

 

MATH 2313

Calculus III

MWF 0930 am - 1020 am

And

MWF 1230 pm - 0120 pm

 

LART 306

And

LART 308

 

MATH 5370

Seminar: Algebraic Topology

TR 0900 am – 1020 am

BH 143

 

MATH 3323

Matrix Algebra

MWF 1030 am – 1120 am

LART 206

 

 

 

 

 

 

 

 

 

 

 

Research Interests

Low dimensional topology, with an emphasis in 3-manifolds and surgery on knots.

Publications/Preprints

The AR property in linear metric spaces. MathSci
Joint work with M. Khamsi and N. Nguyen.
Topology and its Applications 109 (2001), 267-284.

Dehn fillings of 3-manifolds and non-persistent tori. MathSci
Topology and its Applications 98 (1999), no. 1-3, 355-370.

Essential arcbody and tangle decompositions of knots and links. MathSci
Journal of Knot Theory and its Ramifications 8 (1999), no. 8, 1065--1085.

Representation of types and 3-manifolds. PDF MathSci
Pacific Journal of Mathematics 210, No. 2, 2003; pp. 367-397.

Once-punctured Klein bottles in knot complements. PDF MathSci
Joint work with Enrique Ramirez (CIMAT).
Extension of results presented at the International Conference on Topology and its Applications
joined with the II Japan-Mexico Topology Meeting in Matsue, Japan, June 2002.

Cross-cap number two knots in the 3-sphere with (1,1) decompositions. PDF (arXiv)
Joint work with Enrique Ramirez (CIMAT)
Preprint 2003, to appear in Boletin de la Sociedad Matematica Mexicana, Fico-Fest Volume.

Seifert Klein bottles in knot complements with same boundary slope. PDF
Geometry and Topology Monographs, vol. 7 (2004): Proceedings of the Casson Fest; pp. 27-68.

Toroidal and Klein bottle boundary slopes. PDF (arXiv)
Topology and its Applications 154 (2007) 584--603.

Cross-cap number 2, tunnel number 1 hyperbolic (1,2)-knots without (1,1) decompositions.
Joint work with Enrique Ramirez (CIMAT); in Preparation.

Toroidal Dehn fillings at distance 3. Preprint, in preparation.

List of talks and conferences

Updated 06/2008