Research:
Number Theory: Elliptic curves, Hyperelliptic curves,
Modular curves, Modular Abelian Varieties, Arithmetic progression,
Diophantine equations.
Papers:
- Models of CM elliptic curves with a prescribed l-adic Galois image, (joint with Álvaro Lozano-Robledo and Benjamin York).
arxiv
data
- Squares in arithmetic progression over quadratic extensions of quadratic fields (joint with Nguyen Xuan Tho)
- Points on Fermat quartic over quadratic extensions of number fields
- Faltings ellipitc curves in twisted Q-isogeny classes,
(joint with J.C. Lario) Preprint 2024.
data (provisional)
- Parametrization of isogeny-torsion graphs of
elliptic curves defined over Q . Preprint 2022
- Torsion growth over cubic fields of rational
elliptic curves with complex multiplication,
Publicationes Mathematicae Debrecen 97/1-2, 63-76 (2020). pdf
doi
data
- Explicit characterization of the torsion
growth of rational elliptic curves with complex multiplication
over quadratic fields, Glasnik Matematički 56(76)(2021),
47-61. pdf
doi
data
- An algorithm for determining torsion growth
of elliptic curves (joint with F. Najman). Experimental
Mathematics 32
(2023) 70-81 doi
data
- Serre's constant of elliptic curves over the
rationals (joint with H.B. Daniels). Experimental
Mathematics 31 (2022) 518-532 pdf
doi
data
- On the torsion of rational elliptic curves
over sextic fields (joint with H.B. Daniels).
Mathematics of Computation 89 (2020)
411-439. pdf
doi
data
- Growth of torsion groups of elliptic curves
upon base changes (joint with F. Najman). Mathematics of
Computation 89 (2020) 1457-1485 pdf errata
doi data
- Complete classification of the torsion
structures of rational elliptic curves over quintic number fields.
Journal of Algebra 478 (2017) 484–505. pdf
doi data
- On the torsion of rational elliptic curves
over quartic fields (joint with Á. Lozano-Robledo).
Mathematics of Computation 87 (2018) 1457-1478. pdf
doi
data
- On the minimal degree of definition of
p-primary torsion subgroups of elliptic curves (joint
with Á. Lozano-Robledo). Mathematical Research Letter 24 (2017)
1067-1096. pdf
doi
data
- Elliptic Curves with abelian division fields
(joint with Á. Lozano-Robledo). Mathematische Zeitschrift 283,
835-859 (2016). pdf
doi
data
- Torsion
of rational elliptic curves over cubic fields (joint
with F. Najman and J.M. Tornero). Rocky Mountain Journal of
Mathematics 46 (2016) 1899-1917. pdf
doi
- Torsion
of rational elliptic curves over quadratic fields II (joint
with J.M. Tornero). Revista de la Real Academia de Ciencias Exactas,
Físicas y Naturales. Serie A. Matemática, 110 (1) (2016), 121-143. pdf.
doi
- Covering
techniques and rational points on some genus 5 curves.
Contemporary Mathematics AMS (2015) 649, 89-105 pdf
doi
- On
arithmetic progressions on Edwards curves. Acta
Arithmetica 167 (2015), 117-132. pdf
doi
- Torsion
of rational elliptic curves over quadratic fields
(joint with J.M. Tornero). Revista de la Real Academia de Ciencias
Exactas, Físicas y Naturales. Serie A. Matemáticas. 108 (2) (2014),
923-934. pdf
doi
- On a
conjecture of Rudin on squares in arithmetic progressions
(joint with X. Xarles). LMS Journal of Computation and Mathematics
17 (1) (2014), 58-76. pdf
doi
data
- Markoff-Rosenberger
triples in geometric progression. Acta Mathematica
Hungarica 142 (1) (2014), 231-243. pdf
doi
- Five
squares in arithmetic progression over quadratic fields
(joint with X. Xarles). Revista Matemática Iberoamericana 29, no. 4,
1211-1238 (2013). pdf
doi
data
- Markoff-Rosenberger
triples in arithmetic progression (joint with J.M.
Tornero). Journal of Symbolic Computation 53, 53-63 (2013). pdf
doi
data
- On
symmetric square values of quadratic polynomials
(joint with X. Xarles). Acta Arithmetica 149, 145-159 (2011).
pdf
doi data.
- On
fields of definition of torsion points of elliptic curves with
complex multiplication (joint with L. Dieulefait and
J. Jiménez Urroz). Proceedings of the American Mathematical Society
139, no. 6, 1961-1969 (2011). pdf
data doi
- Three
cubes in arithmetic progression over quadratic fields.
Archiv der Mathematik Vol. 95, no. 3, 233-241 (2010). pdf
doi
- On the
ubiquity of trivial torsion on elliptic curves
(joint with J.M. Tornero). Archiv der Mathematik Vol. 95, no. 2,
135-141 (2010). pdf
doi
- Arithmetic
progressions of four squares over quadratic fields
(joint with J. Steuding). Publicationes Mathematicae Debrecen 77,
1-2, 125-138 (2010). pdf
doi
- On the
modularity level of modular abelian varieties over number fields
(joint with X. Guitart). Journal of
Number Theory 130, no. 7, 1560-1570 (2010). pdf
doi
- Galois
theory, discriminants and torsion subgroup of elliptic curves
(joint with I.
García-Selfa and J.M. Tornero). Journal of Pure and Applied
Algebra 214, 1340-1346 (2010).
pdf
doi
- Non-hyperelliptic
modular curves of genus 3 (joint with R. Oyono).
Journal of Number Theory 130, no. 4, 862-878 (2010). pdf
doi
- Right
triangles with algebraic sides and elliptic curves over number
fields (joint with E. Girondo, G. González-Diez, R.
Steuding and J. Steuding). Mathematica Slovaca 59, no. 3, 299-306
(2009). pdf
doi
- Finiteness
Results for modular curves of genus at least 2 (joint
with M. Baker, J. González and B. Poonen). American Journal of
Mathematics 127, no. 6, 1325-1387, (2005). pdf
doi
- On the
Brauer class of modular endomorphism algebras (joint
with E. Ghate and J. Quer). International Mathematics Research
Notices 2005 no. 12, 701-723, (2005). pdf
doi
- Modular
curves of genus 2 (joint with J. González).
Mathematics of Computation 72, no. 241, 397—418, (2003). pdf
doi
data
- Computations
on Modular jacobians surfaces (joint with J. González
and J. Guàrdia). Algorithmic number theory (Sydney, 2002), 189-197,
LNCS 2369, Springer, Berlin, (2002). pdf
doi
- Curves of genus 2 parametrized from modular
curves (joint with J. González). Actas EACA VII, 177-185
(2001).
Books:
- Proceedings of the Segundas Jornadas de Teoría
de Números (joint with J. Cilleruelo, A. Quirós, X. Xarles
(eds.)). Biblioteca
de la Revista Iberoamericana de Matemáticas vol.
4 (2008). ISBN 978-84-612-8007-0.
- Curvas Hiperelípticas Modulares.
Ph.D.thesis (in Spanish), January 2002. Abstract: English,
Spanish
- Curvas elípticas: Grupo de puntos racionales y
curvas de rango alto. Master thesis (in Spanish), January
1998. pdf
Software:
- Modular Curves of Given Level and Genus. On
Magma
≥ v2.18.
- Modular Curves of Given Level and Genus
(Documentation) (joint with Michael Harrison). Handbook of
Magma functions ≥ v.2.18-3 (2012). online
Tables:
Conference Organizer:
- SAGE
Days 16, Barcelona, 22-27 June 2009
- 40
años de Algebra en las Autónomas, Madrid, 21-22 November 2008
- Segundas
Jornadas de Teoría de Números, Madrid, 16-19 July 2007
- International
Conference on Arithmetic Algebraic Geometry, El Escorial
(Madrid), 4-8 September 2006
- Décimas
Jornadas de Teoría de Números, Madrid, 8-12 July 2024
Last modified: 12/11/2024