منابع مشابه
A MODIFIED THEORY OF NEWTONIAN MECHANICS
A specific form of the inertial law is presented by which we can gain a deeper insight into the essence of mass and inertia. In this modified theory, there is no need to keep the concept of absolute space and Newton's third law as principles, By introducing a convenient form for gravitational law the coupling constant G becomes a function of inertial parameters of the universe
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The essential operation that characterizes most power electronics circuits is the cyclic switching of the circuit con guration from one linear system to another. Such periodic switching operation naturally permits discrete-time modeling of power electronics systems in the form of iterative functions. In this section we review iterative functions of rst order and in particular discuss a techniqu...
متن کاملLorentzian Worldlines and Schwarzian Derivative
The aim of this note is to relate the classical Schwarzian derivative and the geometry of Lorentz surfaces of constant curvature. 1. The starting point of our investigations lies in the following remark (joint work with L. Guieu). Consider a curve y = f(x) in the Lorentz plane with metric g = dxdy. If f (x) > 0, then its Lorentz curvature can be computed : ̺(x) = f (x) (f (x)) and enjoys the qui...
متن کاملA case report of variant scimitar syndrome
Background: Scimitar syndrome (SS) or congenital pulmonary venolobar syndrome is a rare anomaly, most commonly including partial pulmonary venous drainage into the inferior vena cava, right lung hypoplasia, dextroposition of the heart, and anomalous systemic arterial supply from aorta or one of its branches to the right lung. Case report: A 10-day-old female infant was referred to our hospital...
متن کاملSchwarzian Derivatives and Cylinder Maps
We describe the way in which the sign of the Schwarzian derivative for a family of diffeomorphisms of the interval I affects the dynamics of an associated many-to-one skew product map of the cylinder (R/Z) × I.
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ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 2018
ISSN: 0550-3213
DOI: 10.1016/j.nuclphysb.2018.10.004