If Os is the ring of S-integers of an algebraic number field F, and 0,s has infinitely many units, we show that no finiteindex subgroup of SL(2, Os) is left orderable. (Equivalently, these subgroups… (More)

We studied rapid desensitization of the thyrotropin-releasing hormone receptor (TRH-R) or the m1-muscarinic receptor (m1-R) to a short challenge of threshold TRH concentration and persistent… (More)

1.1. Definition. It is traditional to say that a group Γ virtually has a property if some finite-index subgroup of Γ has the property. It is convenient to extend this terminology to group… (More)

If O is either Z[ √ r] or Z[1/r], where r > 1 is any square-free natural number, we show that no finite-index subgroup of SL(2,O) is left orderable. (Equivalently, these subgroups have no nontrivial… (More)

Let Γ be an irreducible lattice in a connected, semisim-ple Lie group with finite center. Assume that R-rank G ≥ 2, that G/Γ is not compact, and that G has more than one noncompact simple factor. We… (More)

Recycling endosomes in astrocytes show hormone-regulated, actin fiber-dependent delivery to the endosomal sorting pool. Recycling vesicle trafficking was followed in real time using a fusion protein… (More)