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Edgardo Ugalde, página personal

Edgardo Ugalde

Instituto de Física
Universidad Autónoma de San Luis Potosí
Av. Manuel Nava #6, Zona Universitaria
San Luis Potosí, S.L.P., 78290 México
Tel: [+52](444) 8262362 ext 115



Some Talks

  1. Approximation of equilibrium states, Pucón, December 2010
  2. Convergencia al estado base en sistemas unidimensionales", DIM-U de Chile, Julio 2010.
  3. Mecánica Estadística de Sistemas en Red, Col. Nacional, México D.F., Septiembre 2009.
  4. Preservation of Gibbsianity under Amalgamation of Symbols, CMM-UChile, December 2008.
  5. Una Dinámica Regulatoria Discreta, IMATE-Morelia, March 2008.
  6. Formalismo Termodinámico de Sistemas Unidimensionales en Red, ECFM-UAS, November 2007.
  7. On Gibbs measures and lumped Markov chains., BIRS, October 2007

Scientific Publications

Dynamical Systems

  1. R. Lima, A. Meyroneinc and E. Ugalde, "Dynamic modularity in descrete-time models of regulatory networks", Chaos, Solitons & Fractals 45 (5) (2012) 561-576.
  2. J.-R- Chazottes and E. Ugalde, "On the preservation of gibbsianness under amalgamation of symbols" , in Entropy of Hidden Markov Processes and Connections to Dynamical Systems, LMS Lecture Note 385 (2011) 72-97.
  3. J.-R. Chazottes, J.-M. Gambaudo and E. Ugalde , "Zero-temperature limit of one-dimensional Gibbs states via renormalization: the case of locally constant potentials", Ergodic Theory and Dynamical Systems 31 (4) (2011) 1109-1161.
  4. B. Fernandez, B. Luna and E. Ugalde , "Spatial chaos of traveling waves has a given velocity", Physical Review E , 80 (2) 025203(R)
  5. B. Luna and E. Ugalde , "Dominant Vertices in Regulatory Network Dynamics", Physica D, 237 (21) (2008) 2685-2695
  6. A. Cros, A. Morante, and E. Ugalde, "Regulatory dynamics on random networks: asymptotic periodicity and modularity", Nonlinearity 21 (3) (2008) 537-556.
  7. E. Ugalde, "De la Mecánica Estadística a la Teoría Ergódica", Revista Mexicana de Física E 53 (2007) 191-194.
  8. A. Aguilera and E. Ugalde, "A Spatially Extended Model for Residential Segregation", Discrete Dynamics in Nature and Society 2007 (2007), Article ID 48589, 20 pages
  9. R. Lima and E. Ugalde, "Dynamical complexity of discrete-time regulatory networks", Nonlinearity 19 (1) (2006) 237-259.
  10. G. Salazar, E. Ugalde and J. Urías, "Master-slave synchronization of cellular automaton pairs", Discrete and Continuous Dynamical Systems 13 (2) (2005) 491-502.
  11. J.-R. Chazottes, L. Ramíez and E. Ugalde, "Finite type approximations to Gibbs measures on sofic subshifts", Nonlinearity 18 (1) (2005) 445-465.
  12. J.-R. Chazottes and E. Ugalde, "Entropy estimation and fluctuations of hitting and recurrence times for Gibbsian sources", Discrete and Continuous Dynamical Systems--Series B 5 (3) (2005) 565-586.
  13. V. Afraimovich, A. Morante and E. Ugalde, "On the density of directional entropy in lattice dynamical systems", Nonlinearity 17 (1) (2004) 105-116.
  14. V. Afraimovich, L. Ramírez and E. Ugalde, "Spectrum of dimensions for Poincaré recurrences for nonuniformly hyperbolic geometric constructions", Proceeding of Symposia in Pure Mathematics 72.1 (2004) 417-433.
  15. J.-R. Chazottes and E. Ugalde, "Projection of Markov measures may be Gibbsian", Journal of Statistical Physics 111 (5/6) (2003) 1245-1272.
  16. V. Afraimovich, J.-R. Chazottes and E. Ugalde, "Spectra of dimensions for Poincaré recurrences for special flows", Taiwanese Journal of Mathematics 6 2 (2002), 269-285.
  17. B. Fernandez, E. Ugalde and J. Urías, "Spectrum of Dimensions for Poincaré Recurrences of Markov maps", Discrete and Continuous Dynamical Systems 8 (4) (2002) 835-849.
  18. V. Afraimovich, E. Ugalde and J. Urías, "Poincaré recurrences for rhythmical dynamics", Far East Journal of Dynamical Systems 2 (2000) 53-67.
  19. V. Afraimovich, J. Schmeling, E. Ugalde J. Urías "Spectra of dimensions for Poincaré recurrences", Discrete and Continuous Dynamical Systems 6 (4) (2000) 901-914 .
  20. G. Salazar, E. Ugalde and J. Urías, "A cryptosystem based on cellular automata", Chaos 8 (4) (1998) 819-823.
  21. G. Salazar, E. Ugalde and J. Urías, "Synchronization of cellular automaton pairs", Chaos 8 (4) (1998) 814--819.
  22. A. Enciso, G. Salazar, E. Ugalde and J. Urías, "Traveling Patterns in Cellular Automata", Chaos 6 (3) (1996) 493-503.

Discrete Mathematics

  1. G. Salazar and E. Ugalde, "An Improved Bound for the Crossing Number of Cm x Cn: a Self Contained Proof Using Mostly Combinatorial Arguments", Graphs and Combinatorics 20 (2) (2004) 247-253.
  2. E. Ugalde, "A constructible set of normal numbers with positive measure", in Dynamical Systems: From crystal to chaos Ed. J.-M. Gambaudo, P. Hubert, P. Tisseur and S. Vaienti. World Scientific (2000).
  3. E. Ugalde, "An alternative construction of normal numbers", Journal de Théorie des Nombres de Bordeaux, 12 (2000) 165-177.
  4. E. Ugalde and J. Urías, "Symmetry Groups of Automata", Physica D 70 (1994) 178-184.

Modeling & Data Analysis

  1. B. Luna, E. Ugalde and A. Martínez-Antonio, "Regulatory dynamics of standard two-componet systems in bacteria", Journal of Theoretical Biology 264 (2010) 560-569.
  2. G. Vilaclara, G. Martínez-Mekler, E. Cuna and E. Ugalde, "Diatom-inferred palaeoenviromental chages of Pliocene lake disturbed by volcanic activity", Journal of Paleolimnology 44 (2010) 203-215.
  3. G. Martínez-Mekler, E. Ugalde, and G. Vilaclara, "Power spectrum crossover in sediments of a paleolake disturbed by volcanism", European Physical Journal, Special Topics 143 (2007) 217-222.
  4. E. Ugalde, G. Martínez-Mekler, and G. Vilaclara, "Scaling and extended scaling in sediment registers of a paleolake perturbed by volcanic activity", Physica A 366 (2006) 485-494.
  5. R. Lima and E. Ugalde, "Dynamical lecture of statistical turbulence", Journal de Physique IV 8 (Pr6) (1998) 157-162.
  6. E. Ugalde , "Self-similarity and finite time intermittent effects in turbulent sequences", Journal of Physics A: Mathematics and General 29 (1996) 4425-4443.
  7. R. Lima and E. Ugalde, "On the Discrete Modelisation of Local Turbulence", Physica D 95 (1996) 144-157.

Book

  1. V. Afraimovich, E. Ugalde and J. Urías, Fractal Dimensions for Poincaré Recurrences , Monograph Series on Nonlinear Sciences and Complexity Volume 2, Elsevier 2006.


Students Supervision (Graduate Students)

  • "Discrete-time Regulatory Networks". B. Luna. Ph.D. in Applied Science UASLP, 2009.
  • "Urban segregation phenomena: a cellular automata approach". A. Aguilera. Ph.D. in Applied Sciences UASLP, 2007.
  • "Contributions to the study of symbolic systems". L. A. Ramírez. Ph.D. in Applied Sciences UASLP, 2005.
    Co-advisor: V. Afraimovich, IICO-UASLP.
  • "Nullity of the topological entropy of some piecewise-affine contractive maps". R. Chavira. Master in Applied Sciences UASLP, 2010.
  • "Study of the projective convergence of equilibrium measures on sysmbolic systems". C. A. Maldonado. Master in Applied Sciences UASLP, 2009.
  • "Stable synchronization in coupled map networks with symmetries". B. C. Luna. Master in Applied Sciences UASLP, 2006.
  • "Means' Equivalence without Ensembles' Equivalence". R. Moreno. Master in Applied Sciences UASLP, 2005.
  • "Self-similarity and Self-organized Criticality in Zhang's Model". S. Cázares . Master in Applied Sciences UASLP, 2003.
  • "Modeling the urban growth in marginal zones". E. Castillo. Master in Applied Sciences UASLP, 2003.
    Co-advisor: A. Aguilera, COLSAN.
  • "Hausdorff dimension of sets generated by non-uniformily contractive maps". L. A. Ramírez. Master in Applied Sciences UASLP, 2002.
    Co-advisor: V. Afraimovich, IICO-UASLP.
  • "Contributions to the Perron-Frobenius Theory". C. J. Rubio. Master in Applied Sciences UASLP, 2001.
  • "Synchronization of cellular automaton pairs". J. G. Sánchez. Master in Applied Sciences UASLP, 1999.
  • "Processing and transmission of fractal images". J. Rentería. Master in Applied Sciences UASLP, 1999.


e-mail: ugalde@ifisica.uaslp.mx
Last update: May 2012