Results 51 to 60 of about 4,468,061 (331)
The improved F-expansion method with Riccati equation and its applications in mathematical physics
The improved F-expansion method combined with Riccati equation is one of the most effective analytical methods in finding the exact traveling wave solutions to non-linear evolution equations in mathematical physics.
M. Ali Akbar, N. Ali, Peiguang Wang
semanticscholar +1 more source
Abstract Purpose This study aimed to evaluate the impact of collimator angle, ball bearing (BB) phantom position, and field size on the accuracy of Winston‐Lutz (WL) test–derived radiation isocenters. Methods WL tests were performed on four TrueBeam linear accelerators.
Weiliang Du
wiley +1 more source
Mathematical sense-making in quantum mechanics: An initial peek
Mathematical sense-making—looking for coherence between the structure of the mathematical formalism and causal or functional relations in the world—is a core component of physics expertise.
Benjamin W. Dreyfus+3 more
doaj +1 more source
On the Mathematics of Coframe Formalism and Einstein–Cartan Theory—A Brief Review
This article is a review of what could be considered the basic mathematics of Einstein−Cartan theory. We discuss the formalism of principal bundles, principal connections, curvature forms, gauge fields, torsion form, and Bianchi identities, and ...
Manuel Tecchiolli
doaj +1 more source
“Computational Mathematics and Mathematical Physics”—Editorial I (2021–2023)
Based on the papers published in the Special Issue of the scientific journal Axioms, here we present the Editorial Article “Computational Mathematics and Mathematical Physics”, the main topics of which include both fundamental and applied research in ...
Hovik A. Matevossian+1 more
doaj +1 more source
The Luttinger model: its role in the RG-theory of one dimensional many body Fermi systems
The Luttinger model was introduced to illustrate the theory of Tomonaga via an exactly soluble model. It became soon the subject of great interest also on the part of Mathematical Physics and a key to the investigations of the mathematical properties of ...
Gallavotti, Giovanni
core +2 more sources
Some problems in mathematics and mathematical physics [PDF]
We discuss new approaches to fundamental problems of mathematics and mathematical physics such as mathematical foundation of quantum field theory, the Riemann hypothesis, and construction of noncommutative algebraic geometry.
arxiv
Evaluation of OPTOS wide‐field fundus image projections for radiotherapy planning of uveal melanoma
Abstract Purpose To investigate the relationship between the stereographic and azimuthal equidistant projection (AEP) of the human retina for radiotherapy planning with OPTOS optomap wide‐field fundus images (Optos, UK). Further, the geometric accuracy of an OPTOS fundus image is quantified.
Jörg Wulff+7 more
wiley +1 more source
Prospective workup for the estimation of conceptus dose in fluoroscopically guided procedures
Abstract Purpose To present a methodology for the estimation of conceptus dose prior to the completion of a medically required and justified interventional radiology or cardiology procedure. Materials and Methods The free of charge National Cancer Institute dosimetry system for Radiography and Fluoroscopy dose calculator tool was adopted to estimate ...
Emily L. Marshall+4 more
wiley +1 more source
Some beautiful equations of mathematical physics [PDF]
The basic ideas and the important role of gauge principles in modern elementary particle physics are outlined. There are three theoretically consistent gauge principles in quantum field theory: the spin-1 gauge principle of electromagnetism and the ...
Freedman, Daniel Z.
core +1 more source