Associate Professor
University
of Texas at El Paso
Department of Mathematical Sciences
Phone: (915) 747-6766
Email: valdez@math.utep.edu
Office: 222
Ph.D. Mathematics; Fall 1995
M.A. Mathematics; Spring 1993
Ph.D. Candidacy, Mathematics; Fall 1989
B.S. (Honors) Mathematics, Physics (minor); Fall 1987
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MATH 1312 |
Calculus 2 |
MTWRF 0920-1130 |
LART 302 |
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MATH 3323 |
Matrix
Algebra |
MWF 1140-1350 |
LART 302 |
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Low dimensional topology, with an emphasis in 3-manifolds and surgery on knots.
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
Cross-cap number two knots in the 3-sphere with (1,1)
decompositions. PDF
(arXiv)
Joint work with Enrique Ramirez (CIMAT)
Boletin de la Sociedad Matematica Mexicana (3) 10 (2004), 451-465, Special Issue.
Seifert Klein bottles in knot complements with common 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.
Hyperbolic (1,2)-knots
in the 3-sphere with cross-cap number two and tunnel number one. PDF (arXiv)
Joint work with Enrique Ramirez (CIMAT).
Topology and its Applications 159 (2009), 1463 - 1481
Toroidal Dehn fillings at
distance 3. Preprint, in preparation.
Updated 5/2012