Results 11 to 20 of about 45,419 (270)
Chemie Ingenieur Technik, EarlyView., 2023 Let us consider an alternative perspective on climate change: The sum of solar radiation and heat generated by human activity result in a net energy input of 1.96 times that of the Sun on the Earth's surface. The expanding global population is expected to exacerbate this issue. Potential solutions are proposed, including replacement and heat recycling.
Martin Bertau, Gerald Steiner
wiley +1 more source
The Role of a Steepness Parameter in the Exponential Stability of a Model Problem. Numerical Aspects [PDF]
Serbian Astronomical Journal, 2011 The Nekhoroshev theorem considers quasi integrable Hamiltonians providingstability of actions in exponentially long times.One of the hypothesis required by the theorem is a mathematical condition called steepness. Nekhoroshev conjectured that different
Todorovic, N.
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Five new methods of celestial mechanics
AIMS Mathematics, 2020 The last volume of the book “Les méthods nouvelles de la mécanique céleste” by Poincaré [28] was published more than 120 years ago. Since then, the following methods have arisen. 1.
Alexander Bruno
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Relativistic Celestial Mechanics with PPN Parameters [PDF]
, 1999 Starting from the global parametrized post-Newtonian (PPN) reference system with two PPN parameters $\gamma$ and $\beta$ we consider a space-bounded subsystem of matter and construct a local reference system for that subsystem in which the influence of ...
A. Caporali +71 more
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Hyperbolic normal forms and invariant manifolds: Astronomical applications [PDF]
Serbian Astronomical Journal, 2012 In recent years, the study of the dynamics induced by the invariant manifolds of unstable periodic orbits in nonlinear Hamiltonian dynamical systems has led to a number of applications in celestial mechanics and dynamical astronomy.
Efthymiopoulos C.
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On the Proper Treatment of Dynamics in Cognitive Science
Topics in Cognitive Science, EarlyView., 2023 Abstract This essay examines the relevance of dynamical ideas for cognitive science. On its own, the mere mathematical idea of a dynamical system is too weak to serve as a scientific theory of anything, and dynamical approaches within cognitive science are too rich and varied to be subsumed under a single “dynamical hypothesis.” Instead, after first ...
Randall D. Beer
wiley +1 more source
Satellite orbit under influence of a drag - analytical approach [PDF]
Serbian Astronomical Journal, 2017 The report studies some changes in orbital elements of the artificial satellites of Earth under influence of atmospheric drag. In order to develop possibilities of applying the results in many future cases, an analytical interpretation of the ...
Martinović M.M., Šegan S.D.
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Daemons and DAMA: Their Celestial-Mechanics Interrelations [PDF]
, 2007 The assumption of the capture by the Solar System of the electrically charged Planckian DM objects (daemons) from the galactic disk is confirmed not only by the St.Petersburg (SPb) experiments detecting particles with ...
Allen C. W. +8 more
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Post-Newtonian Approximation in Maxwell-Like Form [PDF]
, 2009 The equations of the linearized first post-Newtonian approximation to general relativity are often written in "gravitoelectromagnetic" Maxwell-like form, since that facilitates physical intuition.
A. Einstein +14 more
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Applications of KS - variables in celestial mechanics
Bibechana, 2010 This paper deals with the transformation of KS-Variables and canonically conjugate variables from sideral (inertial) to synodic (rotating) form and their applications in "the circular restricted problem of three bodies in three-dimensional coordinate ...
MR Hassan, RR Thapa
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