Results 21 to 30 of about 33,406 (259)

Generic behavior of a measure-preserving transformation [PDF]

open access: yesErgodic Theory and Dynamical Systems, 2018
Del Junco–Lemańczyk [Generic spectral properties of measure-preserving maps and applications. Proc. Amer. Math. Soc., 115 (3) (1992)] showed that a generic measure-preserving transformation satisfies certain orthogonality conditions. More precisely, there is a dense $G_{\unicode[STIX]{x1D6FF}}$ subset of measure preserving transformations such that ...
openaire   +3 more sources

On the Approximation of Koopman Spectra for Measure Preserving Transformations [PDF]

open access: yesSIAM Journal on Applied Dynamical Systems, 2019
For the class of continuous, measure-preserving automorphisms on compact metric spaces, a procedure is proposed for constructing a sequence of finite-dimensional approximations to the associated Koopman operator on a Hilbert space. These finite-dimensional approximations are obtained from the so-called "periodic approximation" of the underlying ...
Nithin Govindarajan   +3 more
openaire   +3 more sources

Functorial properties of the lattice of functional semi-norms

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1986
Given a measureable transformation between measure spaces, we determine when such gives rise to a mapping between the corresponding lattice of function semi-norms.
I. E. Schochetman, S. K. Tsui
doaj   +1 more source

Myocardial Segmentation of Tagged Magnetic Resonance Images with Transfer Learning Using Generative Cine-To-Tagged Dataset Transformation

open access: yesBioengineering, 2023
The use of deep learning (DL) segmentation in cardiac MRI has the potential to streamline the radiology workflow, particularly for the measurement of myocardial strain.
Arnaud P. Dhaene   +3 more
doaj   +1 more source

The Fréchet transform

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1993
Let F1,…,FN be 1-dimensional probability distribution functions and C be an N-copula. Define an N-dimensional probability distribution function G by G(x1,…,xN)=C(F1(x1),…,FN(xN)).
Piotor Mikusiński   +3 more
doaj   +1 more source

Approximation Theories for Measure Preserving Transformations [PDF]

open access: yesTransactions of the American Mathematical Society, 1944
Not ...
openaire   +2 more sources

The Dilemmas of Flexibilisation of Vocational Education and Training: A Case Study of the Piano Makers

open access: yesInternational Journal for Research in Vocational Education and Training, 2021
Context: Dual VET systems are often praised for their labour market proximity because of economic stakeholders’ involvement. However, when labour market requirements change rapidly, a lack of flexibility is attributed to them.
Carmen Baumeler   +2 more
doaj   +1 more source

Degree of recurrence of generic diffeomorphisms

open access: yesDiscrete Analysis, 2019
Degree of recurrence of generic diffeomorphisms, Discrete Analysis 2019:1, 43 pp. The theory of discrete-time dynamical systems concerns iterations of maps $f:X\to X$, where $X$ is a space of some kind (e.g.
Pierre-Antoine Guihéneuf
doaj   +1 more source

A decomposition of multicorrelation sequences for commuting transformations along primes

open access: yesDiscrete Analysis, 2021
A decomposition of multicorrelation sequences for commuting transformations along primes, Discrete Analysis 2021:4, 27 pp. Szemerédi's theorem asserts that for every positive integer $k$ and every $\delta>0$ there exists $n$ such that every subset of $\
Anh N. Le, Joel Moreira, Florian Richter
doaj   +1 more source

Guidelines for Pediatric Radiotherapy Simulation: A Report From the Children's Oncology Group Radiation Oncology Discipline

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric radiation therapy presents unique challenges compared to adult treatments, including those of immobilization, potential need for sedation, and the critical importance of accurate, reproducible positioning. Additionally, heightened attention to imaging doses is necessary to minimize long‐term toxicity in survivors.
Parham Alaei   +17 more
wiley   +1 more source

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