Results 21 to 30 of about 386,403 (270)
Back-electron transfer suppresses the periodic length dependence of DNA-mediated charge transport across adenine tracts [PDF]
, 2008 DNA-mediated charge transport (CT) is exquisitely sensitive to the integrity of the bridging π-stack and is characterized by a shallow distance dependence. These properties are obscured by poor coupling between the donor/acceptor pair and the DNA bridge,
Augustyn, Katherine E. +4 more
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Abelian bordered factors and periodicity [PDF]
, 2014 A finite word u is said to be bordered if u has a proper prefix which is also a suffix of u, and unbordered otherwise. Ehrenfeucht and Silberger proved that an infinite word is purely periodic if and only if it contains only finitely many unbordered ...
Charlier, Emilie +3 more
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The fine structure of the rotational periods of the solar mean magnetic field
Open Astronomy, 2021 The data of mean magnetic field (MMF) of the Sun obtained at the Wilcox Solar Observatory (Stanford, USA) in 1975–2020 are analysed. It was concluded that the MMF maximum occurs, on average, 1.5–2 years later relative to the maximum of Wolf numbers.
Haneychuk Vasily Ivanovich +1 more
doaj +1 more source
Frontiers in Neuroscience, 2020 This study presents a computational model to reproduce the biological dynamics of “listening to music.” A biologically plausible model of periodicity pitch detection is proposed and simulated.
Frank Klefenz +3 more
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High-speed rail network and periodic timetable: a comparative analysis of operational concepts
Acta Polytechnica CTU Proceedings, 2021 This paper compares chosen European high-speed railway (HS) networks in terms of their offer of HS passenger service. The criteria chosen for comparison are network topology, degree of service periodicity and degree of coordination between subsequent ...
Michal Drábek +2 more
doaj +1 more source
PERIODIC ENVIRONMENTS AND PERIODIC HARVESTING
Natural Resource Modeling, 2003 ABSTRACT. We consider autonomous population models under periodic harvesting and population models in periodic environments and seek conditions under which there is an asymptotically stable periodic solution.
Brauer, Fred, Sánchez, David A.
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Periodicity and Quasi-Periodicity for Super-Integrable Hamiltonian Systems
, 2004 Classical trajectories are calculated for two Hamiltonian systems with ring shaped potentials. Both systems are super-integrable, but not maximally super-integrable, having four globally defined single valued integrals of motion each.
Baker +26 more
core +1 more source
Periodic Modules with Large Periods [PDF]
Proceedings of the American Mathematical Society, 1979 Let G be a nonabelian group of order p 3 {p^3} and exponent p, where p is an odd prime. Let K be a field of characteristic p. In this paper it is proved that there exist periodic KG-modules whose periods are 2p. Some examples of such modules are constructed.
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, 2012 In semiconductor-superconductor hybrid structures a topological phase transition is expected as a function of chemical potential or magnetic field strength.
Horsdal, Mats +2 more
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Periodic and almost periodic flows of periodic Ito equations [PDF]
Mathematica Bohemica, 1992 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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