Results 21 to 30 of about 15,690,564 (314)

Functional Integrals in Geometric Approach to Quantum Theory

open access: yesUniverse, 2023
In quantum mechanics, one can express the evolution operator and other quantities in terms of functional integrals. The main goal of this paper is to prove corresponding results in geometric approach to quantum theory.
Igor Frolov, Albert Schwarz
doaj   +1 more source

Quantum Mechanics and Quantum Field Theory: Algebraic and Geometric Approaches

open access: yesUniverse, 2023
This is a non-standard exposition of the main notions of quantum mechanics and quantum field theory, including recent results. It is based on the algebraic approach in which the starting point is a star-algebra and on the geometric approach in which the ...
Igor Frolov, Albert Schwarz
doaj   +1 more source

A Theoretical Dynamical Noninteracting Model for General Manipulation Systems Using Axiomatic Geometric Structures

open access: yesAxioms, 2022
This paper presents a new theoretical approach to the study of robotics manipulators dynamics. It is based on the well-known geometric approach to system dynamics, according to which some axiomatic definitions of geometric structures concerning invariant
Paolo Mercorelli
doaj   +1 more source

A GEOMETRICAL APPROACH TOWARDS ENTANGLEMENT [PDF]

open access: yesInternational Journal of Geometric Methods in Modern Physics, 2007
We have studied the concurrence of two-site entanglement and have shown that it is related to the geometric phase accumulated due to a complete rotation of the entangled state. The geometric phase and hence the concurrence is evaluated for transverse Ising model and antiferromagnetic chain which is found to be in good agreement with that obtained by ...
Basu, B., Bandyopadhyay, P.
openaire   +2 more sources

Monotone Comparative Statics: A Geometric Approach [PDF]

open access: yesSSRN Electronic Journal, 2004
The authors deal with finite-dimensional parameter-dependent optimization problems and consider so-called monotone comparative statics whose main question is to determine conditions under which the model predictions change monotonically if the parameter values vary. The proposed method generates a vector field defined on the parameter space.
Strulovici, B. H., Weber, T. A.
openaire   +1 more source

Scattering in Geometric Approach to Quantum Theory

open access: yesUniverse, 2022
We define inclusive scattering matrix in the framework of a geometric approach to quantum field theory. We review the definitions of scattering theory in the algebraic approach and relate them to the definitions in the geometric approach.
Albert Schwarz
doaj   +1 more source

A geometric approach to the Proinov type contractions [PDF]

open access: yesMathematica Moravica, 2022
In this paper, we prove some fixed-circle, fixed-disc and fixed-ellipse results on metric spaces. To do this, we define the notions of Proinov type a0-contraction and generalized Proinov type a0-contraction.
Taş Nıhal
doaj   +1 more source

Scattering in Algebraic Approach to Quantum Theory—Jordan Algebras

open access: yesUniverse, 2023
Using the geometric approach, we formulate a quantum theory in terms of Jordan algebras. We analyze the notion of a (quasi)particle (=elementary excitation of translation-invariant stationary state) and the scattering of (quasi)particles in this ...
Albert Schwarz
doaj   +1 more source

Geometric approach to fragile topology beyond symmetry indicators

open access: yesPhysical review B, 2020
We present a framework to systematically address topological phases when finer partitionings of bands are taken into account, rather than only considering the two subspaces spanned by valence and conduction bands.
Adrien Bouhon   +2 more
semanticscholar   +1 more source

A Geometric Approach to Obtain a Bird's Eye View From an Image [PDF]

open access: yes2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW), 2019
The objective of this paper is to rectify any monocular image by computing a homography matrix that transforms it to a geometrically correct bird's eye (overhead) view.
A. Abbas, Andrew Zisserman
semanticscholar   +1 more source

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