نتایج جستجو برای: nodal interdiction
تعداد نتایج: 19620 فیلتر نتایج به سال:
Many relevant applications from diverse areas such as marketing, wildlife conservation, or defending critical infrastructure can be modeled interdiction games. In this work, we introduce games whose objective is a monotone and submodular set function. Given ground of items, the leader interdicts usage some items follower in order to minimize value achievable by follower, who seeks maximize func...
Introduction: Clinical examination and even anatomical imaging may fail to identify primary site of malignancy in patients presenting with cervical nodal metastasis. 18F-Fluorodeoxyglucose Positron Emission Computed Tomography (18F-FDG PET-CT) is known to overcome the limitations of anatomic imaging. Methods: Sixty-three (63) patient...
conclusions echocardiography and 2d speckle tracking strain imaging shows improvements in left ventricular deformation indices in atrioventricular reentrant tachycardia (avrt) and atrioventricular nodal reentrant tachycardia (avnrt) patients for the mean systolic strain and strain rate at 24 hours and the three-month follow-up. in spite of the normal lvef, even during sinus rhythm, deformation ...
West Africa has recently emerged as a major focus for international drug policy, mainly in response to largescale cocaine seizures in West Africa, from where drugs are transhipped to European and American consumer markets [1]. International policy responses have concentrated on strengthening the criminal justice system, particularly the interdiction of drugs at West African airand seaports. How...
In general, any system may be at risk in a case of losing the critical facilities by natural disasters or terrorist attacks. This paper focuses on identifying the critical facilities and planning to reduce the effect of this event. A three-level model is suggested in the form of a defender-attacker-defender. It is assumed that the facilities are hierarchical and capable of nesting. Also, the at...
Introduction: The aim of the present study was to determine direct effects of NO modulation on protective electrophysiological properties of atrioventricular node (AV node) in the experimental model of AF in rabbit. Methods: Isolated perfused rabbit AV nodal preparations were used in two groups. In the first group (N=7), LNAME (50μM) was applied. In the second group (N=12), different concent...
We describe a stochastic network interdiction model for locating sensors that detect nuclear material. A nuclear material smuggler selects a path through a transportation network that maximizes the probability of avoiding detection. An interdictor installs sensors to minimize that maximum probability. We formulate this problem as a bi-level stochastic mixed-integer program, and then focus on a ...
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