4 citations · 7 across the 6 of their papers we have counts for
7 papers
Modified Galton-Watson processes with immigration under an alternative offspring mechanism
Wagner Barreto-Souza, Sokol Ndreca, Rodrigo B. Silva +1
We propose a novel class of count time series models alternative to the classic Galton-Watson process with immigration (GWI) and Bernoulli offspring. A new offspring mechanism is d…
Bias corrected minimum distance estimator for short and long memory processes
Gustavo C. Lana, Glaura C. Franco, Sokol Ndreca
This work proposes a new minimum distance estimator (MDE) for the parameters of short and long memory models. This bias corrected minimum distance estimator (BCMDE) considers a cor…
Inference for Stochastically Contaminated Variable Length Markov Chains
Denise Duarte, Sokol Ndreca, Wecsley O. Prates
In this paper, we present a methodology to estimate the parameters of stochastically contaminated models under two contamination regimes. In both regimes, we assume that the origin…
A-priori Upper Bounds for the Set Covering Problem
Giovanni Felici, Sokol Ndreca, Aldo Procacci +1
In this paper we present a new bound obtained with the probabilistic method for the solution of the Set Covering problem with unit costs. The bound is valid for problems of fixed d…
Asymptotics for the Late Arrivals Problem
Carlo Lancia, Gianluca Guadagni, Sokol Ndreca +1
We study a discrete time queueing system where deterministic arrivals have i.i.d. exponential delays . The standard deviation of the delay is finite, but its value is mu…
Improved bounds on coloring of graphs
Sokol Ndreca, Aldo Procacci, Benedetto Scoppola
Given a graph with maximum degree , we prove that the acyclic edge chromatic number of is such that . Moreover we prove tha…