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Nicolás Rivera Aburto

Investigador

Universidad de Valparaíso

Valparaíso, Chile

Design and Analysis of Randomised Algorithms, Markov Chains and its applications in Computer Science.

PhD in Theoretical Computer Science, KINGS COLLEGE LONDON. Reino Unido, 2018
Computer Science, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2013
Mathematics, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2011

Research Associate Full Time

UNIVERSITY OF CAMBRIDGE

Cambridge, Reino Unido

2017 - 2021
Investigador Full Time

UNIVERSIDAD DE VALPARAISO

Ingeniería

Valparaíso, Chile

2021 - A la fecha

Supervision Tesis de Pregrado:

Jae Hee Lee - Reinforcement Learning Methods for Klondike Solitaire. University of Cambridge.

Organiser of The Third King’s Workshop on Random Graphs and Random Processes. April 2019.

Best student paper award

Symposium on Combinatorial Search

Estados Unidos, 2013

Best Student Paper Award por el paper "Reconnecting with the Ideal Tree: An Alternative to Heuristic Learning in Real-Time Search"
Distinguished Paper Award

Association for the Advancement of Artificial Intelligence

Chile, 2022

Distinguished Paper Award por el paper "Subset approximation of Pareto Regions with Bi-objective A*"


A General Framework for the Analysis of Kernel-based Tests Fernández, Tamara; Rivera, Nicolás Article WOS JOURNAL OF MACHINE LEARNING RESEARCH (2024)
Rumors with changing credibility Out, Charlotte; Rivera, Nicolas; Sauerwald, Thomas; Sylvester, John Article SCOPUS Leibniz International Proceedings in Informatics, LIPIcs (2024)
Distributed Averaging in Opinion Dynamics Berenbrink, P.; Cooper, C.; Gava, Cristina; Mallmann-Trenn, Frederik; Radzik, Tomasz; Marzagao, D. Kohan; Rivera, N.; ACM Article ISI (2023)
Multiple random walks on graphs: mixing few to cover many Rivera, Nicolas; Sauerwald, Thomas; Sylvester, John Article ISI SCOPUS COMBINATORICS PROBABILITY & COMPUTING (2023)
Diversity, Fairness, and Sustainability in Population Protocols Kang, Nan; Mallmann-Trenn, Frederik; Rivera, Nicolas; ACM Article ISI PROCEEDINGS OF THE 2021 ACM SYMPOSIUM ON PRINCIPLES OF DISTRIBUTED COMPUTING (PODC '21) (2021)
A reproducing kernel Hilbert space log-rank test for the two-sample problem Fernandez, Tamara; Rivera, Nicolas Article ISI SCANDINAVIAN JOURNAL OF STATISTICS (2020)
Kaplan-Meier V- and U-statistics Fernandez, Tamara; Rivera, Nicolas Article ISI ELECTRONIC JOURNAL OF STATISTICS (2020)
The 2^k Neighborhoods for Grid Path Planning Rivera, Nicolás; Hernández, Carlos; Hormazábal, Nicolás; Baier, Jorge A Article SCOPUS Journal of Artificial Intelligence Research (2020)
Best-of-Three Voting on Dense Graphs Kang, Nan; Rivera, Nicolas; ASSOC COMP MACHINERY Article ISI SPAA'19: PROCEEDINGS OF THE 31ST ACM SYMPOSIUM ON PARALLELISM IN ALGORITHMS AND ARCHITECTURESS, 2019 (2019)
New Cover Time Bounds for the Coalescing-Branching Random Walk on Graphs Cooper, Colin; Radzik, Tomasz; Rivera, Nicolas Article ISI ACM Transactions on Parallel Computing (2019)
The Dispersion Time of RandomWalks on Finite Graphs Rivera, Nicolas; Sauerwald, Thomas; Stauffer, Alexandre; Sylvester, John; ASSOC COMP MACHINERY Article ISI SPAA'19: PROCEEDINGS OF THE 31ST ACM SYMPOSIUM ON PARALLELISM IN ALGORITHMS AND ARCHITECTURESS, 2019 (2019)
DISCORDANT VOTING PROCESSES ON FINITE GRAPHS Cooper, Colin; Dyer, Martin; Frieze, Alan; Rivera, Nicolas Article ISI SIAM JOURNAL ON DISCRETE MATHEMATICS (2018)
Dispersion processes Cooper, Colin; McDowell, Andrew; Radzik, Tomasz; Rivera, Nicolas; Shiraga, Takeharu Article ISI RANDOM STRUCTURES & ALGORITHMS (2018)
Threshold behaviour of discordant voting on the complete graph Cooper, Colin; Rivera, Nicolas Article ISI JOURNAL OF DISCRETE ALGORITHMS (2018)
Improved Cover Time Bounds for the Coalescing-Branching Random Walk on Graphs Cooper, Colin; Radzik, Tomasz; Rivera, Nicolas; ACM Article ISI PROCEEDINGS OF THE 29TH ACM SYMPOSIUM ON PARALLELISM IN ALGORITHMS AND ARCHITECTURES (SPAA'17) (2017)
The Coalescing-Branching Random Walk on Expanders and the Dual Epidemic Process Cooper, Colin; Radzik, Tomasz; Rivera, Nicolas; ACM Article ISI PROCEEDINGS OF THE 2016 ACM SYMPOSIUM ON PRINCIPLES OF DISTRIBUTED COMPUTING (PODC'16) (2016)
Fast Consensus for Voting on General Expander Graphs Cooper, Colin; Elsaesser, Robert; Radzik, Tomasz; Rivera, Nicolas; Shiraga, Takeharu; Moses, Y Article ISI LEARNING AND INTELLIGENT OPTIMIZATION, LION 15 (2015)
Incorporating weights into real-time heuristic search Rivera, N; Baier, JA; Hernandez C. Article ISI SCOPUS Artificial Intelligence (2015)
Reconnection with the Ideal Tree: A New Approach to Real-Time Search Rivera, Nicolas; Illanes, Leon; Baier, Jorge A.; Hernandez, Carlos Article ISI JOURNAL OF ARTIFICIAL INTELLIGENCE RESEARCH (2014)


Subset Approximation of Pareto Regions with Bi-objective A* Rivera, Nicolás; Baier, Jorge A.; Hernández, Carlos ConferencePaper (2022)
Kernelized Stein Discrepancy Tests of Goodness-of-fit for Time-to-Event Data Fernandez, Tamara; Rivera, Nicolás; Xu, Wenkai; Gretton, Arthur ConferencePaper (2020)
A Suboptimality Bound for 2k Grid Path Planning Kramm, Benjamin; Rivera, Nicolás; Hernandez, Carlos; Baier, Jorge ConferencePaper (2018)
Fast Plurality Consensus in Regular Expanders Cooper, Colin; Radzik, Tomasz; Rivera, Nicolas; Shiraga, Takeharu ConferencePaper (2017)
Grid Pathfinding on the 2k Neighborhoods Rivera, Nicolas; Hernandez, Carlos; Baier, J. A. ConferencePaper (2017)
Multi-Agent Flag Coordination Games Marzagao, David; Rivera, Nicolas; Cooper, Colin; McBurney, Peter; Steinhofel, Kathleen ConferencePaper (2017)
Gaussian processes for survival analysis Fernandez, Tamara; Rivera, Nicolas; Teh, Yee Whye ConferencePaper (2016)
The Linear Voting Model Cooper, Colin; Rivera Nicolás ConferencePaper (2016)
Coalescing Walks on Rotor-Router Systems Cooper, Colin; Radzik, Tomasz; Rivera, Nicolás; Shiraga, Takeharu ConferencePaper (2015)
Real-Time Pathfinding in Unknown Terrain via Reconnection with an Ideal Tree Rivera, N; Illanes, L.; Baier, JA ConferencePaper ISI SCOPUS LEARNING AND INTELLIGENT OPTIMIZATION, LION 15 (2014)
Reconnecting with the ideal tree: An alternative to heuristic learning in real-time search Rivera, Nicolas; Illanes, Leon; Baier, Jorge A.; Hernandez, Carlos ConferencePaper (2013)
Weighted real-time heuristic search Rivera, Nicolas; Baier, Jorge A.; Hernandez, Carlos ConferencePaper (2013)


ALGORITHMS AND DYNAMICS ON LARGE NETWORKS Rivera, Nicolás; Rebolledo, Rolando Proyecto (2021)
Voting Models on Graphs Rivera, Nicolás Proyecto (2013)