ar X iv : m at h / 02 11 06 4 v 1 [ m at h . R A ] 4 N ov 2 00 2 NON - COMMUTATIVE CREPANT RESOLUTIONS MICHEL

ar X iv : m at h / 04 11 06 2 v 1 [ m at h . O A ] 3 N ov 2 00 4 On automorphisms of type II Arveson systems ( probabilistic approach )

A counterexample to the conjecture that the automorphisms of an arbitrary Arveson system act transitively on its normalized units.

ar X iv : h ep - e x / 02 11 06 9 v 1 2 8 N ov 2 00 2 Jet Production at CDF Mario Mart́ınez

ar X iv : m at h / 06 11 83 1 v 1 [ m at h . R A ] 2 7 N ov 2 00 6 CLASSIFICATION OF 4 - DIMENSIONAL NILPOTENT COMPLEX

The Leibniz algebras appeared as a generalization of the Lie algebras. In this work we deal with the classification of nilpotent complex Leibniz algebras of low dimensions. Namely, the classification of nilpotent complex Leibniz algebras dimensions less than 3 is extended to the dimension four.

ar X iv : m at h / 06 11 45 2 v 1 [ m at h . A G ] 1 5 N ov 2 00 6 UNIRATIONALITY OF CERTAIN SUPERSINGULAR K 3 SURFACES IN CHARACTERISTIC

We show that every supersingular K3 surface in characteristic 5 with Artin invariant ≤ 3 is unirational.

ar X iv : h ep - l at / 0 11 00 06 v 3 6 N ov 2 00 1 1 Matrix elements of ∆ S = 2 operators with Wilson fermions