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The convective kissing instability in low-mass M-dwarf models: convective overshooting, semi-convection, luminosity functions, surface abundances and star cluster age dating
Santana Mansfield, Pavel Kroupa
Low-mass models of M-dwarfs that undergo the convective kissing instability fluctuate in luminosity and temperature resulting in a gap in the main sequence that is observed in the…
The integrated galaxy-wide stellar initial mass function over the radial acceleration range of early-type galaxies
Jörg Dabringhausen, Pavel Kroupa
The observed radial accelerations of 462 Early-type galaxies (ETGs) at their half-mass radii are discussed. They are compared to the baryonic masses of the same galaxies, which are…
The cosmological star formation history from the Local Cosmological Volume of galaxies and constraints on the matter homogeneity
Moritz Haslbauer, Pavel Kroupa, Tereza Jerabkova
The Lilly-Madau plot is commonly interpreted as the history of the cosmic star formation of the Universe by showing the co-moving star formation rate density (SFRD) over cosmic tim…
Do old globular clusters in low mass galaxies disprove modified gravity?
Michal Bílek, Hongsheng Zhao, Benoit Famaey +6
The controversy "dark matter vs. modified gravity" constitutes a major topic of discussion. It was proposed that dynamical friction could be used to discriminate between the two al…
Hydrodynamical structure formation in Milgromian cosmology
Nils Wittenburg, Pavel Kroupa, Indranil Banik +2
We present the first hydrodynamical cosmological simulations in the HDM framework based on Milgromian dynamics (MOND) with light (11~eV) sterile neutrinos. HDM can explain th…
The Possible Emergence of an Attractive Inverse-Square Law from the Wave-Nature of Particles
Dong Zhang, Pavel Kroupa, Jan Pflamm-Altenburg +1
A model of a particle in finite space is developed and the properties that the particle may possess under this model are studied. The possibility that particles attract each other…