292 citations
- Consejo Nacional de Investigaciones Científicas y TécnicasAR24 papers
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4 papers · 1 filter
Comparative study of LSA vs Word2vec embeddings in small corpora: a case study in dreams database
Edgar Altszyler, Mariano Sigman, Sidarta Ribeiro +1
Word embeddings have been extensively studied in large text datasets. However, only a few studies analyze semantic representations of small corpora, particularly relevant in single…
A Hopf's lemma and a strong minimum principle for the fractional -Laplacian
Leandro M. Del Pezzo, Alexander Quaas
Our propose here is to provide a Hopf Lemma and a strong minimum principle for week supersolutions of \[ (-Δ_p)^s u= c(x)|u|^{p-2}u \quad \text{ in } Ω\] where is an open set o…
On distance sets, box-counting and Ahlfors-regular sets
Pablo Shmerkin
We obtain box-counting estimates for the pinned distance sets of (dense subsets of) planar discrete Ahlfors-regular sets of exponent . As a corollary, we improve upon a recent…
On the analysis of tuberculosis studies with intermittent missing sputum data
Daniel Scharfstein, Andrea Rotnitzky, Maria Abraham +3
In randomized studies evaluating treatments for tuberculosis (TB), individuals are scheduled to be routinely evaluated for the presence of TB using sputum cultures. One important e…