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4 papers · 1 filter
Global geometric deformations of current algebras as Krichever-Novikov type algebras
Alice Fialowski, Martin Schlichenmaier
We construct algebraic-geometric families of genus one (i.e. elliptic) current and affine Lie algebras of Krichever-Novikov type. These families deform the classical current, respe…
Jet bundles on projective space
Helge Øystein Maakestad
In this paper we state and prove some results on the structure of the jetbundles as left and right module over the structure sheaf on the projective line and projective space using…
On the structure of pseudo-Riemannian symmetric spaces
Ines Kath, Martin Olbrich
Following our approach to metric Lie algebras developed in math.DG/0312243 we propose a way of understanding pseudo-Riemannian symmetric spaces which are not semi-simple. We introd…
Dihedral Galois representations and Katz modular forms
Gabor Wiese
We show that any two-dimensional odd dihedral representation ρover a finite field of characteristic p>0 of the absolute Galois group of the rational numbers can be obtained from a…