Profesor Titular

Departamento de Matemáticas

Facultad de Matemáticas

Pontificia Universidad Católica de Chile

Vicuña Mackenna 4860, Macul

Santiago 7820436, Chile

Phone: +56-2-23545466

Dept. Fax: +56-2-25525916

E-Mail : aramirez at mat dot puc dot cl

- Sharp ellipticity conditions for ballistic behavior of random walks in random environment. E. Bouchet, A.F. Ramírez and C. Sabot. [ps] [pdf]
- Fluctuations of the front in a one-dimensional model for the
spread of an infection. J. Bérard and A.F. Ramírez. [ps] [pdf]

- Exponential ergodicity and Raleigh-Schrödinger series for infinite dimensional diffusions. A.F. Ramírez. [ps] [pdf]
- Selected topics in random walks in random environments. A. Drewitz and A.F. Ramírez, to appear in Topics in Percolative and Disordered Systems (Springer Proceedings in Mathematics & Statistics) edited by A.F. Ramírez, G. Ben Arous, P. A. Ferrari, C.M. Newman, V. Sidoravicius and M.E. Vares. [ps] [pdf]
- Ellipticity criteria for ballistic behavior of random walks in random environment. D. Campos and A.F. Ramírez, to appear in Probab. Theory Related Fields. [ps] [pdf]
- Effective polynomial ballisticity condition for random walk in random environment. N. Berger, A. Drewitz and A.F. Ramírez, to appear in Comm. Pure Appl. Math. [ps] [pdf]
- Last passage percolation and travelling fronts. F. Comets, J. Quastel and A.F. Ramírez, J. Stat. Phys. 152, 419-451 (2013). [ps] [pdf]
- Level 1 quenched large deviation principle for random walk in dynamic random environment. D. Campos, A. Drewitz, A.F. Ramírez, F. Rassoul-Agha and T. Seppalainen, Bull. Inst. Math. Acad. Sin. (N.S.) in honor of the 70th birthday of S.R.S. Varadhan, 8(1), 1-29 (2013). [ps] [pdf]
- On a general many-dimensional excited random walk. M. Menshikov, S. Popov, A.F. Ramírez and M. Vachkovskaia, Ann. Probab. 40(5), 2106-2130 (2012). [ps] [pdf]
- Quenched exit estimates and ballisticity conditions for higher dimensional random walk in random environment. A. Drewitz and A.F. Ramírez, Ann. Probab. 40(2), 459-534 (2012). [ps] [pdf]
- Asymptotic Shape and Propagation of Fronts for Growth Models in Dynamic Random Environment. H. Kesten, A.F. Ramírez and V. Sidoravicius, Probability in Complex Physical Systems-In honour of Erwin Bolthausen and Jürgen Gärtner, Springer Proceedings in Mathematics 11, 195-224 (2012). [ps] [pdf]
- Survival probability of a random walk among a Poisson system of moving traps. A. Drewitz, J. Gärtner, A.F. Ramírez and R. Sun, Probability in Complex Physical Systems-In honour of Erwin Bolthausen and Jürgen Gärtner, Springer Proceedings in Mathematics 11, 119-158 (2012). [ps] [pdf]
- Ballisticity conditions for random walk in random environment. A. Drewitz and A.F. Ramírez, Probab. Theory Related Fields 150, 61-75 (2011). [ps] [pdf]
- Large deviations of the front in a one dimensional model of X+Y-->2X. J. Bérard and A.F. Ramírez, Ann. Probab. 38(3), 955-1018 (2010). [ps] [pdf]
- Asymptotic directions in random walk in random environment revisited. A. Drewitz and A.F.Ramírez, Braz. J. Probab. 24, 212-225 (2010). [ps] [pdf]
- Fluctuations of the front in a one dimensional model of X+Y-->2X. F. Comets, J. Quastel and A. F. Ramírez, Trans. Amer. Math. Soc. 361, 6165-6189 (2009). [ps] [pdf]
- Front propagation in an exclusion one-dimensional reactive
dynamics.
M. Jara, G. Moreno and A.F. Ramírez, Markov
Process. Related Fields, 18,
185-206 (2008). [ps]
[pdf]

- Central limit theorem for the excited random walk in dimension
d>=2.
J. Bérard and A.F. Ramírez, Electron.
Comm. Probab.,
**12**, 303-314 (2007). [ps] [pdf] - Transition asymptotics for reaction-diffusion in random media. G. Ben Arous, S. Molchanov and A.F. Ramírez, Probability and Mathematical Physics: A Volume in Honor of Stanislav Molchanov, Editors - AMS | CRM, 42, 1-40 (2007). [ps] [pdf]
- Fluctuations of the front in a stochastic combustion model. F. Comets, J. Quastel and A.F. Ramírez, Ann. Inst. H. Poincaré Probab. Statist., 43(2), 147-162 (2007).[ps] [pdf]
- Transition from the annealed to the quenched asymptotics for a
random
walk on random obstacles. G. Ben Arous, S. Molchanov and A.F.
Ramírez,
Ann. Probab. 33(6),
2149-2187 (2005).
[ps] [pdf]

- Asymptotic behavior of a stochastic combustion growth
process.
A.F. Ramírez and V. Sidoravicius, J. Eur.
Math.
Soc. (JEMS),
**6**(3), 293-334 (2004). [ps] [pdf] - Internal DLA in a Random Environment. G. Ben Arous, J.
Quastel
and
A.F. Ramírez, Ann. Inst. H. Poncaré Probab. Statist.,
**39**(2), 301-324 (2003).[ps] [pdf]

- During the first term of 2014 I am teaching Teoría de Integración. My previous teaching activities are described here.

- PASI:
Topics in percolative and disordered systems, January
2-15, 2012.

- Workshop on Random
Walks,
Particle
Systems and Random Media, January 14-18,
2008.

**Analysis & Probability in Quantum Physics**, July 27- August 4, 2006.

**Percolation, Particle Systems and Random Media**, January 12-17, 2004.

- 2012- : Associate
Editor, Electronic Journal of
Probability and Electronic Communications in Probability

- 2006-2012: Associate Editor,
**Stochastic Processes and their Applications**

**Millenium nucleus
stochastic models
of disordered and complex systems
**