Man

Alejandro Francisco Ramírez Chuaqui

Profesor Titular

Pontificia Universidad Católica de Chile

Santiago, Chile

Líneas de Investigación


Random walks in random environment, directed polymers and interacting particle systems

Educación

  •  Matemática, NEW YORK UNIVERSITY. Estados Unidos, 1996
  •  Física, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 1990

Experiencia Académica

  •   Profesor Titular Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Matemáticas

    Santiago, Chile

    2011 - A la fecha

  •   Profesor Asociado Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Matemáticas

    Santiago, Chile

    2004 - 2011

  •   Profesor Asistente Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Matemáticas

    Santiago, Chile

    1999 - 2004

  •   Postdoctorante Full Time

    ECOLE POLYTECHNIQUE DE PARIS

    Centre de Mathématiques Appliquées

    Palaiseau, Francia

    1996 - 1997

  •   Postdoctorante Full Time

    ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE

    Lausanne, Suiza

    1997 - 1999

  •   BMS Visiting Professor Full Time

    TECHNISCHE UNIVERSITAT BERLIN

    Institut für Mathematik

    Berlin, Alemania

    2014 - 2015

  •   Profesor visitante Full Time

    TECHNISCHE UNIVERSITAT MUNCHEN

    Lehrstuhl für Wahrscheinlichkeitstheorie

    Munich, Alemania

    2018 - 2019

  •   Visiting Professor Full Time

    New York University Shanghai

    Institute for Mathematical Sciences

    Shanghai, China

    2020 - 2021

Experiencia Profesional

  •   Editor Asociado Other

    Stochastic Processes and their Applications

    Holanda

    2006 - 2012

  •   Editor Asociado Other

    Electronic Journal of Probability

    Estados Unidos

    2012 - 2018

  •   Editor Asociado Other

    Electronic Communications in Probability

    Chile

    2012 - 2018

  •   Editor Asociado Other

    Bernoulli

    Holanda

    2018 - 2019

Formación de Capital Humano


Supervisón de postdoctorados:

2018-2020: Rodrigo Ribeiro (Ph.D. Mathematics at U. Minas Gerais), currently U. Colorado, Denver.
2016-2017: Santiago Saglietti (Ph.D. Mathematics at U. Buenos Aires), currently profesor asistente U. Católica de Chile.
2012-2013: Clement Laurent (Ph.D. Mathematics at U. Provence), currently professor at Lycée Stanislav.

Alumnos de Doctorado:

2020- Giancarlos Oviedo, Doctor en Matemáticas jointly supervised with
G. Panizo [IMCA, Lima] (expected graduation 2022)

2017- Rodrigo Bazaes, Doctor en Matemáticas [PUC] (expected graduation 2021)

2013-2016 Enrique Guerra, Doctor en Matemáticas [PUC]

2009-2012 José David Campos, Doctor en Matemáticas [PUC]

2008-2010 Manuel Cabezas, Doctor en Matemáticas jointly supervised with G. Ben Arous [PUC] Alexander Drewitz, Dr. rer. nat. in Mathematics jointly supervised with
J. Gärtner [Technische Univertität Berlin]

2006-2010 Jean Christophe Mourrat, Doctor en Matemáticas jointly supervised
with P. Mathieu [PUC-Université de Provènce]

Alumnos de Magíster:

2019-2021: Victor Camarena, Magíster en Matemáticas jointly supervised with G. Panizo [IMCA, Lima]
2016-2018 Roberto Maturana, Magíster en Matemáticas [PUC]
2016–2016 Jean Fabre-Monplaisir, Master 2 en Mathématiques [Ecole Normale Superieure]
2005-2006 Gregorio Moreno, Magíster en Matemáticas [PUC]

Tesis de graduación alumnos de pregrado:

2021: Jiayi Ji [NYU-Shanghai]
2021: Yuxin Feng [NYU-Shanghai]
2015: Rodrigo Bazaes [PUC]


Difusión y Transferencia


Seminarios y presentaciones en congresos últimos 5 años:

-2020: Seminario de Probabilidad, NYU-Shanghai.
-2019: Dynamics, random media and universality of complex physical systems, Muenster, Alemania.
School and Workshop on Random Matrix Theory and Point Processes, ICTP, Italia.
-2018: Fluctuation dissipation relations and Einstein relations for stochastic dynamics and random media, Marseille, Francia.
Random walk in dynamic and correlated environment, College Station, Texas.
-2017: 6th Wellington Workshop in Probability and Mathematical Statistics, New Zealand
International Conference on Spatial Probability and Statistical Physics, Beijing
Probability Seminar, NYU-Shanghai
London Math. Soc. – EPSRC Durham Symposium Markov Processes, Mixing Times and Cutoff
Random walks in random environments, CIRM, Marseille
Statistical Mechanics, random planar geometry and interacting random walks, Lyon
2016: Conference in Honor of the 75th Birthday of S.R.S. Varadhan, WIAS Berlin
New Zealand workshop in probability


Premios y Distinciones

  •   Alejandro Ramírez

    FONDO NACIONAL DE CIENCIA,TECNOLOGIA E INNOVACION

    Chile, 2018

    Primer lugar en el concurso regular de Fondecyt en el área de Matemática (concursaron 104 proyectos y se aprobaron 43).


 

Article (32)

New high dimensional examples of ballistic random walk in random environment
A Proof of Sznitman's Conjecture about Ballistic RWRE
New examples of ballistic RWRE in the low disorder regime
Random polymers on the complete graph
Quenched invariance principle for random walk in time-dependent balanced random environment
Asymptotic direction for random walks in mixing random environments
ASYMPTOTIC EXPANSION OF THE INVARIANT MEASURE FOR BALLISTIC RANDOM WALK IN THE LOW DISORDER REGIME`
FLUCTUATIONS OF THE FRONT IN A ONE-DIMENSIONAL MODEL FOR THE SPREAD OF AN INFECTION
Sharp ellipticity conditions for ballistic behavior of random walks in random environment
Almost exponential decay for the exit probability from slabs of ballistic RWRE
Effective Polynomial Ballisticity Conditions for Random Walk in Random Environment
Ellipticity criteria for ballistic behavior of random walks in random environment
Last Passage Percolation and Traveling Fronts
Level 1 quenched large deviation principle for random walk in dynamic random environment
ON A GENERAL MANY-DIMENSIONAL EXCITED RANDOM WALK
QUENCHED EXIT ESTIMATES AND BALLISTICITY CONDITIONS FOR HIGHER-DIMENSIONAL RANDOM WALK IN RANDOM ENVIRONMENT
Ballisticity conditions for random walk in random environment
Asymptotic direction in random walks in random environment revisited
LARGE DEVIATIONS OF THE FRONT IN A ONE-DIMENSIONAL MODEL OF X plus Y -> 2X
Fluctuations of the front in a one-dimensional model for X+Y-->2X
Front propagation in an exclusion one-dimensional reactive dynamics
Central Limit theorem for the excited random walk in dimensions d>=2
Fluctuations of the front in a stochastic combustion model
Transition from the annealed to the quenched asymptotics for a random walk on random obstacles
Asymptotic behavior of a stochastic combustion growth process
Internal DLA in a random environment
An elementary proof of the uniqueness of invariant product measures for some infinite dimensional processes
Asymptotic behavior of a stochastic growth process associated with a system of interacting branching random walks
Uniqueness of invariant product measures for elliptic infinite dimensional diffusions and particle spin systems
Asymptotic survival probabilities in the random saturation process
Quenched asymptotics for survival probabilities in the random saturation process
Relative entropy and mixing properties of infinite dimensional diffusions

BookSection (5)

An overview of the balanced excited random walk
Stable limit laws and structure of the scaling function for reaction-diffusion in random environment
Velocity estimates for symmetric random walks at low ballistic disorder
Selected topics in random walks in random environments
Transition asymptotics for reaction-diffusion in random media

BookWhole (1)

Topics in percolative and disordered systems
1
Alejandro Ramirez

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

1
Gregorio Moreno

Associate professor

Mathematics

Pontificia Universidad Católica de Chile

Macul, Santiago, Chile

38
Alejandro Ramírez

Profesor Titular

Matemática

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Santiago Saglietti

Profesor Asistente

Pontificia Universidad Católica de Chile

Santiago, Chile

1
Santiago Saglietti

Profesor Asistente

Matemáticas

Pontificia Universidad Católica de Chile

Santiago, Chile