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researcher

J. A. Defreitaspacheco

46 papers hereh-index 191.1k citations98 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author2
  • first author8
  • middle author11
  • last author21

Across the 42 of 46 papers where every author was matched, so the position is known.

fields
  • astro-ph21
  • astro-ph.CO10
  • gr-qc9
  • astro-ph.HE4
  • astro-ph.GA2

identity via Semantic Scholar / OpenAlex

activity
19942024
most citedHubble flow around Fornax cluster of galaxies

135 citations · 984 across the 46 of their papers we have counts for

collaborators
Showing 2010Show all

2 papers · 1 filter

astro-ph.CO2010★ 12 cited

The growth of supermassive black holes fed by accretion disks

M. A. Montesinos, J. A. de Freitas Pacheco

Supermassive black holes are probably present in the centre of the majority of the galaxies. There is a consensus that these exotic objects are formed by the growth of seeds either…

gr-qc2010★ 18 cited

Continuous matter creation and the acceleration of the universe: the growth of density fluctuations

Alain de Roany, J. A. de Freitas Pacheco

Cosmologies including continuous matter creation are able to reproduce the main properties of the standard ΛCDM model, in particular in cases where the particle and entropy produ…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.