نتایج جستجو برای: poincare map

تعداد نتایج: 195901  

2005
Stefan Giller

We consider the deformed Poincare group describing the space-time symmetry of noncommutative field theory. It is shown how the deformed symmetry is related to the explicit symmetry breaking. PACS number(s): 11.10-z, 11.30Cp

Journal: :Notices of the American Mathematical Society 2014

Journal: :Proceedings of the National Academy of Sciences 1952

Journal: :Journal of Informetrics 2022

Choosing a publication venue for an academic paper is crucial step in the research process. However, many cases, decisions are based solely on experience of researchers, which often leads to suboptimal results. Although there exist recommender systems papers, they recommend venues where expected be published. In this study, we aim from different perspective. We estimate number citations will re...

Journal: :journal of sciences islamic republic of iran 0

existence of periodic solutions for non-linear third order autonomous differential equation (o.d.e.) has not been investigated to as large an extent as non-linear second order. the popular poincare-bendixon theorem applicable to second order equation is not valid for third order equation (see [3]). this conclusion opens a way for further investigation.

Journal: :Nonlinear Dynamics 2022

The tooth surface 3d modification technology is the most effective method to realize reduction of vibration and noise gear system (GS) by comprehensively considering profile axial modification. Moreover, nonlinear factors such as backlash bearing clearance will make motion GS have complex variability. Therefore, we combine with contact performance dynamic characteristics optimize meshing herrin...

1997
Alexander Givental

We prove a generalized mirror conjecture for non-negative complete intersections in symplectic toric manifolds. Namely, we express solutions of the PDE system describing quantum cohomology of such a manifold in terms of suitable hypergeometric functions. 0. Introduction. Let X denote a non-singular compact Kähler toric variety with the Picard number k. The variety X can be obtained by the sympl...

2015
BRUCE KLEINER ANDREA SCHIOPPA

For every n, we construct a metric measure space that is doubling, satisfies a Poincare inequality in the sense of HeinonenKoskela, has topological dimension n, and has a measurable tangent bundle of dimension 1.

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