• The Perfect introduces a time interval: the “perfect time span” (PTS). • The Right Boundary (RB) of the PTS is set by Tense. • The Left Boundary (LB) of the PTS may be set by “perfect adverbials”. • The lower predicate (event) is predicated of the PTS, either directly or mediated by various devices, most notably operators associated with the Perfective or Imperfective. • When the predicate ha...

Slowness of thought is not necessarily a handicap but could be a signature of optimal brain function. Emerging evidence shows that neuroanatomical and dynamical constraints of the human brain shape its functionality in optimal ways, characterized by slowness during task-based cognition in the context of spontaneous resting-state activity. This activity can be described mechanistically by whole-...

We study the space complexity of implementing long-lived and one-shot adaptive renaming from multi-reader multi-writer registers, in an asynchronous distributed system with n processes. As a result of an f -adaptive renaming algorithm each participating process gets a distinct name in the range {1, . . . , f (k)} provided k processes participate. Let f : {1, . . . ,n}→N be a non-decreasing func...

The process of wave equation continuation (migration) is adapted for refraction data in order to produce velocity-depth models directly from the recorded data. The procedure consists of two linear transformations: a slant stack of the data produces a wave field in the p T plane which is then downward continued using T = 0 as the imaging condition. The result is that the data wave field is linea...

background: there are many parameters that modulate the severity of sickle cell anemia. fetal hemoglobin (hb f) is one of these major variables. however, its effect is clinically inconsistent. we conducted a descriptive study to assess the influence of hb f on clinical events and hematological variables in patients with sickle cell anemia. methods: 151 patients with sickle cell anemia with a st...