output
20022025
most citedFirst results from the OSQAR photon regeneration experiment: No light shining through a wall

116 citations

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Showing 2021Show all

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math.AG2021

Orbifold Kähler Groups related to Mapping Class groups

Philippe Eyssidieux, Louis Funar

We construct certain orbifold compactifications of the moduli stack of pointed stable curves over and study their fundamental groups by means of their quantum represent…

math.HO2021

Yet another Proof of an old Hat

Roland Bacher

Every odd prime number p can be written in exactly (p + 1)/2 ways as a sum ab + cd with min(a, b) > max(c, d) of two ordered products. This gives a new proof Fermat's Theorem expre…

math.NT2021★ 2 cited

Quantitative problems on the size of -operators

Gabriel Lepetit

-operators, a class of differential operators containing the differential operators of minimal order annihilating Siegel's -functions, satisfy a condition of moderate growth…

math.GR2021

Finiteness Theorems for Gromov-Hyperbolic Spaces and Groups

Gérard Besson, Gilles Courtois, Sylvestre Gallot +1

In this article we prove that the set of torsion-free groups acting by isometries on a hyperbolic metric space whose entropy is bounded above and with a compact quotient is finite.…

math.CT2021

An uncountable Mittag-Leffler condition with an application to ultrametric locally convex vector spaces

Andrea Pulita

Mittag-Leffler condition ensures the exactness of the inverse limit of short exact sequences indexed on a partially ordered set admitting a cofinal subset. W…

math.AG2021

On the locus of higher order jets of entire curves in complex projective varieties

Jean-Pierre Demailly

For a given complex projective variety, the existence of entire curves is strongly constrained by the positivity properties of the cotangent bundle. The Green-Griffiths-Lang conjec…