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68 papers · 1 filter
Numerical Results on Low Mass Star and Brown Dwarf Multiplicity
Eduardo Delgado-Donate, Cathie Clarke
We have undertaken a series of hydrodynamic + N-body simulations in order to explore the properties of young stars. Our results suggest that the IMF may be sensitive to environment…
Poincare' series of monomial rings
Alexander Berglund
Let R be the quotient of a polynomial ring over a field k by an ideal generated by monomials. We derive a formula for the multigraded Poincare' series of R, i.e., the generating fu…
Search for extraterrestrial point sources of high energy neutrinos with AMANDA-II using data collected in 2000-2002
The AMANDA Collaboration, M. Ackermann
The results of a search for point sources of high energy neutrinos in the northern hemisphere using data collected by AMANDA-II in the years 2000, 2001 and 2002 are presented. In p…
Cycle Classes of the E-O Stratification on the Moduli of Abelian Varieties
Torsten Ekedahl, Gerard van der Geer
We introduce a stratification on the space of symplectic flags on the de Rham bundle of the universal principally polarized abelian variety in positive characteristic and study its…
Two photon annihilation of Kaluza-Klein dark matter
Lars Bergstrom, Torsten Bringmann, Martin Eriksson +1
We investigate the fermionic one-loop cross section for the two photon annihilation of Kaluza-Klein (KK) dark matter particles in a model of universal extra dimensions (UED). This…
Gravitationally induced electromagnetism at the Compton scale
Kjell Rosquist
It is shown that Einstein gravity tends to modify the electric and magnetic fields appreciably at distances of the order of the Compton wavelength. At that distance the gravitation…