in this survey, we give an overview over some aspects of the set of tilting objects in an $m-$cluster category, with focus on those properties which are valid for all $m geq 1$. we focus on the following three combinatorial aspects: modeling the set of tilting objects using arcs in certain polygons, the generalized assicahedra of fomin and reading, and colored quiver mutation.

conclusions migraine and cluster headache have complex pathophysiologies. the exact mechanism causing pain in both conditions is incompletely understood and more research needs to be undertaken in this area. results there is evidence that the trigeminovascular system and neurogenic inflammation play important roles, together with certain areas of the brain, leading to these conditions being ter...

conclusions propofol and alfentanil combination can be considered as a treatment approach in the attack phase of cluster headache. introduction cluster headache is a severe hemifacial pain with concomitant symptoms such as lacrimation, conjunctival congestion, and nasal discharge. peripheral (to be a spectrum of trigeminal autonomic cephalgia) and central (hypothalamus) disorders have been sugg...

background: this cross sectional comparative study was performed to compare the mean fluorescence intensity of cluster of differentiation 45 between healthy individuals and patients with acute lymphoblastic leukemia. patients and methods: thirty three healthy individuals (mean age 11 years) and 41 patients with b cell acute lymphoblastic leukemia (mean age 7 years) were enrolled in the study in...

association of cluster headache and secondary blepharospasm bagheri a, md*; mohammadi m, md; khosravi fard k, md; harooni g, md ophthalmic research center, shahid beheshti university of medical sciences, tehran, iran * corresponding author: [email protected] purpose: to report a case of cluster headache associated with secondary blepharospasm and its management. case report: a 37-year-old ...