6 papers
Estimating the tail index of Pareto-type distributions from geometric records
MartÃn Alcalde, Raúl Gouet, Miguel Lafuente +2
In this paper, we develop a novel inferential approach based on geometric records for estimating the tail index of heavy-tailed distributions. We construct a maximum likelihood est…
Relational Graph Transformer
Vijay Prakash Dwivedi, Sri Jaladi, Yangyi Shen +5
Relational Deep Learning (RDL) is a promising approach for building state-of-the-art predictive models on multi-table relational data by representing it as a heterogeneous temporal…
Characterisation of distributions via record-like observations
Raúl Gouet, Miguel Lafuente, F. Javier López +1
We characterise probability distributions via a martingale property associated with a natural generalisation of record values, known as -records. For an independent and identic…
Fast and accurate calculation of the bootstrap current and radial neoclassical transport in low collisionality stellarator plasmas
Francisco Javier Escoto López
In this PhD thesis, a method for solving fast and accurately the monoenergetic drift-kinetic equation at low collisionality is presented. The algorithm is based on the analytical p…
Stochastic ordering, attractiveness and couplings in non-conservative particle systems
Raúl Gouet, F. Javier López, Gerardo Sanz
We analyse the stochastic comparison of interacting particle systems allowing for multiple arrivals, departures and non-conservative jumps of individuals between sites. That is, if…
Estimating hazard rates from -records in discrete distributions
MartÃn Alcalde, Miguel Lafuente, F. Javier López +2
This paper focuses on nonparametric statistical inference of the hazard rate function of discrete distributions based on -record data. We derive the explicit expression of the…