Results 11 to 20 of about 153,073 (169)

Discrete Hamiltonians of discrete Painlevé equations [PDF]

open access: yesAnnales de la Faculté des sciences de Toulouse : Mathématiques, 2021
We express discrete Painlevé equations as discrete Hamiltonian systems. The discrete Hamiltonian systems here mean the canonical transformations defined by generating functions. Our construction relies on the classification of the discrete Painlevé equations based on the surface-type. The discrete Hamiltonians we obtain are written in the logarithm and
Mase, Takafumi   +2 more
openaire   +2 more sources

Discrete breathers [PDF]

open access: yesPhysics Reports, 1998
62 pages, LaTeX, 14 ps figures. Physics Reports, to be published; see also at http://www.mpipks-dresden.mpg.de/~flach/html/preprints ...
Flach, S., Willis, C.
openaire   +3 more sources

Discrete Memristor and Discrete Memristive Systems

open access: yesEntropy, 2022
In this paper, we investigate the mathematical models of discrete memristors based on Caputo fractional difference and G–L fractional difference. Specifically, the integer-order discrete memristor is a special model of those two cases. The “∞”-type hysteresis loop curves are observed when input is the bipolar periodic signal.
Shaobo He 0001   +4 more
openaire   +3 more sources

Discrete gravity [PDF]

open access: yesJournal of High Energy Physics, 2021
Abstract We assume that the points in volumes smaller than an elementary volume (which may have a Planck size) are indistinguishable in any physical experiment. This naturally leads to a picture of a discrete space with a finite number of degrees of freedom per elementary volume.
Ali H. Chamseddine, Viatcheslav Mukhanov
openaire   +3 more sources

A comparison of the accuracy of discrete event and discrete time [PDF]

open access: yesProceedings of the 2010 Winter Simulation Conference, 2010
Proceedings of the 2010 Winter Simulation Conference B. Johansson, S. Jain, J. Montoya-Torres, J. Hugan, and E. Yücesan, eds.
Buss, Arnold, Al Rowaei, Ahmed
openaire   +2 more sources

Discrete Moving Frames and Discrete Integrable Systems [PDF]

open access: yesFoundations of Computational Mathematics, 2013
Group based moving frames have a wide range of applications, from the classical equivalence problems in differential geometry to more modern applications such as computer vision. Here we describe what we call a discrete group based moving frame, which is essentially a sequence of moving frames with overlapping domains.
Elizabeth L. Mansfield   +2 more
openaire   +2 more sources

Discrete Surfaces Segmentation into Discrete Planes [PDF]

open access: yes, 2004
This paper is composed of two parts. In the first one, we present an analysis of existing discrete surface segmentation algorithms. We show that two classes of algorithms can actually be defined according to discrete surface and plane definitions. In the second part, we prove the link between the two classes presented.
Isabelle Sivignon   +2 more
openaire   +1 more source

Discrete mKdV and discrete sine-Gordon flows on discrete space curves [PDF]

open access: yesJournal of Physics A: Mathematical and Theoretical, 2014
31 pages, 3 ...
Inoguchi, Jun-ichi   +3 more
openaire   +2 more sources

Two discrete–non-discrete results

open access: yesDiscrete Mathematics, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
DULIO, PAOLO, SCAPELLATO, RAFFAELE
openaire   +3 more sources

Trust, discretion and arbitrariness in democratic politics

open access: yesRivista di Estetica, 2018
Democratic institutions and practice depend on trust, in two ways. Citizens must trust each other to abide by shared rules and norms that together govern a political community; it is a feature of democratic states that they direct their resources not to ...
Patti Tamara Lenard
doaj   +1 more source

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