Nicolás Rivera

activity

20172021

most citedKernelized Stein Discrepancy Tests of Goodness-of-fit for Time-to-Event Data

6 citations · 9 across the 4 of their papers we have counts for

collaborators

Showing 2018Show all

2 papers · 1 filter

math.ST2018

Kaplan-Meier V- and U-statistics

Tamara Fernández, Nicolás Rivera

In this paper, we study Kaplan-Meier V- and U-statistics respectively defined as $θ (F_{n}) = \sum_{i, j} K (X_{[i : n]}, X_{[j : n]}) W_{i} W_{j}$ and $θ_U(\widehat{F}_n)=\sum_{i\neq j}K(X…

cs.DM2018

The dispersion time of random walks on finite graphs

Nicolas Rivera, Alexandre Stauffer, Thomas Sauerwald +1

We study two random processes on an $n$ -vertex graph inspired by the internal diffusion limited aggregation (IDLA) model. In both processes $n$ particles start from an arbitrary bu…