2011
DOI: 10.1142/9789814340700_0011
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Recent Advances in Open Billiards with Some Open Problems

Abstract: Much recent interest has focused on "open" dynamical systems, in which a classical map or flow is considered only until the trajectory reaches a "hole", at which the dynamics is no longer considered. Here we consider questions pertaining to the survival probability as a function of time, given an initial measure on phase space. We focus on the case of billiard dynamics, namely that of a point particle moving with constant velocity except for mirror-like reflections at the boundary, and give a number of recent … Show more

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Cited by 15 publications
(16 citation statements)
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“…In this respect, care should be taken as it is known that discretization can introduce 'fake' eigenvalues (not related to the dynamics) even for linear hyperbolic toral automorphisms, [42], and similar phenomena could potentially appear in open systems. From a physical viewpoint, we expect that some of the methods introduced could be adapted to approximate open systems in different practical situations, such as open billiards [17]. Moreover, note that the formalism is equally valid in situations where some piecewise constant observable is introduced [14] or where an infinite countable partition is used as in intermittent maps [43].…”
Section: Discussionmentioning
confidence: 99%
“…In this respect, care should be taken as it is known that discretization can introduce 'fake' eigenvalues (not related to the dynamics) even for linear hyperbolic toral automorphisms, [42], and similar phenomena could potentially appear in open systems. From a physical viewpoint, we expect that some of the methods introduced could be adapted to approximate open systems in different practical situations, such as open billiards [17]. Moreover, note that the formalism is equally valid in situations where some piecewise constant observable is introduced [14] or where an infinite countable partition is used as in intermittent maps [43].…”
Section: Discussionmentioning
confidence: 99%
“…Notice that Proposition 2.2 offers the converse of this statement. 4 This also yields the first part of point (1) of Theorem A.…”
Section: Interpretation Of B F and Induced Invariantsmentioning
confidence: 54%
“…Given some dynamical system on a topological space and an open subset (called hole in the following), it is natural to study the associated surviving set, that is, the collection of all points which never enter this subset. In this framework, the theory of open dynamical systems is, for instance, concerned with escape rates, conditionally invariant measures and other closely related concepts, see for example [1][2][3][4][5][6][7][8] for more information and further references. Recently, there has been an increased interest in understanding families of suitably parametrized interval holes of one-dimensional maps whose surviving sets fulfill certain properties, see for instance [9][10][11][12][13][14][15].…”
Section: Introductionmentioning
confidence: 99%
“…These systems, which have been the focus of mathematical research 2,[11][12][13] , provide insight into physical phenomena such as encountered in celestial mechanics 14,15 , statistical mechanics 6,16,17 , tokamak physics 18,19 , as well as being important models for quantum chaos [20][21][22] . Billiard systems connect experimental physics and mathematics through experiments employing both two and three dimensional geometries that may be either open 2 or closed.…”
Section: Introductionmentioning
confidence: 99%