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28
On Convex Body Chasing
, 1993
"... A player moving in the plane is given a sequence of instructions of the following type: at step i a planar convex set Fi is specified, and the player has to move to a point in Fi. The player is charged for the distance traveled. We provide a strategy for the player which is competitive, i.e., for an ..."
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Cited by 6 (0 self)
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A player moving in the plane is given a sequence of instructions of the following type: at step i a planar convex set Fi is specified, and the player has to move to a point in Fi. The player is charged for the distance traveled. We provide a strategy for the player which is competitive, i
Convexity in the figure eight solution to the threebody problem
, 2003
"... The figure eight is a remarkable solution to the Newtonian threebody problem in which the three equal masses chase each around a planar curve having the qualitative shape and symmetries of a figure eight. Here we prove that each lobe of this eight is convex. 1. ..."
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Cited by 2 (1 self)
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The figure eight is a remarkable solution to the Newtonian threebody problem in which the three equal masses chase each around a planar curve having the qualitative shape and symmetries of a figure eight. Here we prove that each lobe of this eight is convex. 1.
ThreeBody Choreographies in Given Curves
, 906
"... Abstract. As shown by Johannes Kepler in 1609, in the twobody problem, the shape of the orbit, a given ellipse, and a given nonvanishing constant angular momentum determines the motion of the planet completely. Even in the threebody problem, in some cases, the shape of the orbit, conservation of ..."
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of the centre of mass and a constant of motion (the angular momentum or the total energy) determines the motion of the three bodies. We show, by a geometrical method, that choreographic motions, in which equal mass three bodies chase each other around a same curve, will be uniquely determined for the following
When Whales Collide: CRITTERCAM Offers Insight into the Competitive Behavior of Humpback Whales on Their Hawaiian Wintering Grounds
"... Despite years of study, the humpback whale mating system remains an enigma. Sustained observations of subsurface behavior may help reveal important components of the mating system. In 2005 and 2006, we deployed CRITTERCAM, an animalborne imaging and datalogging tool, on humpback whales in their w ..."
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150 m, with one animal diving down 298 m; (2) Instances of competitive behavior (inflated pleats, chasing) occurring along the seafloor; (3) The displacement of a primary escort (the whale closest to the female) by a challenger; (4) A detailed time budget of one principal escort maintaining his
A randomized cutting plane method with probabilistic geometric convergence
 SIAM Journal of Optimization
, 2010
"... Abstract. We propose a randomized method for general convex optimization problems; namely, the minimization of a linear function over a convex body. The idea is to generate N random points inside the body, choose the best one, and cut the part of the body defined by the linear constraint. We analyz ..."
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Cited by 3 (1 self)
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Abstract. We propose a randomized method for general convex optimization problems; namely, the minimization of a linear function over a convex body. The idea is to generate N random points inside the body, choose the best one, and cut the part of the body defined by the linear constraint. We
Fluorescence Micrograph Segmentation by GestaltBased Feature Binding
, 2000
"... We present the application of a recurrent neural network feature binding model to the segmentation of uorescence micrographs, images showing uorescent cells in tonsil tissue. Image primitives, referred to as features, consisting of position and local gradient information, build the input to the mo ..."
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to the model. The competitive layer model is used to provide a binding of features to convex groups, corresponding to uorescent cell bodies. Although the images contain noise, and the cells' shapes show considerable variation, the uorescent cell contours are extracted with sucient accuracy, according
GAMBUSIA AFFINIS (POECILIIDAE) By
"... Sexual conflict occurs when individuals of one sex express traits that reduce the fitness of their mates. Males of many species harass females to gain copulations, which benefits males by increasing the number of offspring they sire but imposes energetic and opportunity costs on the females they har ..."
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they harass. This thesis examined the fitness costs of sexual harassment to females, the energetic costs of mating to males, and the factors influencing the intensity of male competition for mates in the western mosquitofish Gambusia affinis. I quantified male and female behavior, four female fitness
Bonn University
"... The accurate estimation of motion in image sequences is of central importance to numerous computer vision applications. Most competitive algorithms compute flow fields by minimizing an energy made of a data and a regularity term. To date, the best performing methods rely on rather simple purely geom ..."
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The accurate estimation of motion in image sequences is of central importance to numerous computer vision applications. Most competitive algorithms compute flow fields by minimizing an energy made of a data and a regularity term. To date, the best performing methods rely on rather simple purely
Fluorescence Micrograph Segmentation by GestaltBased Feature Binding
, 2000
"... We present the application of a recurrent neural network feature binding model to the segmentation of uorescence micrographs, images showing uorescent cells in tonsil tissue. Image primitives, referred to as features, consisting of position and local gradient information, build the input to the mo ..."
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to the model. The competitive layer model is used to provide a binding of features to convex groups, corresponding to uorescent cell bodies. Although the images contain noise, and the cells' shapes show considerable variation, the uorescent cell contours are extracted with sucient accuracy, according
Correspondence
"... Lead specificity of the maximum ST/heart rate slope response Sir, Once more correspondence columns have borne witness to the confusion caused by the Leeds exercise test. Yet again Professor Linden and his colleagues have been able to claim that their protocol has not been adhered toand of course o ..."
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of time and money, much of the latter from charitable sources, has been spent trying to confirm the perfect accuracy of this test and this has proved a wild goose chase. This might be a cause for some amusement were the competition for scarce research funds not so intense. Nevertheless, the alleged
Results 1  10
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28