Results 81 to 90 of about 4,486 (172)

A rational ansatz for the approximation of Koopman eigenfunctions

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 24, Issue 3, October 2024.
Abstract Koopman operator theory offers a basis for the systematic transformation and linearization of complex dynamical systems. We propose a method to approximate eigenfunctions of the Koopman operator for sufficiently smooth, deterministic and autonomous dynamical systems with hyperbolic fixed points in an equation‐based context.
Ulrich J. Römer, Margarete Breitenhuber
wiley   +1 more source

Diffusion Maps Kalman Filter for a Class of Systems with Gradient Flows

open access: yes, 2019
In this paper, we propose a non-parametric method for state estimation of high-dimensional nonlinear stochastic dynamical systems, which evolve according to gradient flows with isotropic diffusion. We combine diffusion maps, a manifold learning technique,
Shnitzer, Tal   +2 more
core   +1 more source

Optimal PRFs from Blockcipher Designs

open access: yesIACR Transactions on Symmetric Cryptology, 2017
Cryptographic modes built on top of a blockcipher usually rely on the assumption that this primitive behaves like a pseudorandom permutation (PRP). For many of these modes, including counter mode and GCM, stronger security guarantees could be derived if ...
Bart Mennink, Samuel Neves
doaj   +1 more source

LEMD2‐associated progeroid syndrome: Expanding the phenotype of the nuclear envelopathy caused by a defect in LEMD2 gene

open access: yesAging Cell, Volume 23, Issue 8, August 2024.
This study delves into LEM domain nuclear envelope protein 2 (LEMD2)‐associated progeroid syndrome, elucidating its phenotypic and molecular aspects in the first female and fourth reported case. In vitro experiments using patient‐derived cells and LEMD2‐downregulated HepG2 cells revealed pronounced nuclear envelope abnormalities.
Alyssia Matter   +8 more
wiley   +1 more source

Myofiber degeneration in autosomal-dominant Emery-Dreifuss muscular dystrophy (AD-EDMD) (LGMD1B)

open access: yesJournal of Neuropathology and Experimental Neurology, 2007
Autosomal dominant Emery‐Dreifuss muscular dystrophy is caused by mutations in the LMNA gene that code for the nuclear membrane protein lamin A/C. We investigated skeletal muscle fibers from several muscles for cytoplasmic degenerative changes in three patients with genetically confirmed ...
Antje Bornemann, Michel Mittelbronn
openaire   +2 more sources

An Investigation of Transition Flow in Porous Media by Event Driven Molecular Dynamics Simulation

open access: yesJournal of Applied Fluid Mechanics, 2021
Aim of this study is to investigate the properties of mono-atomic gas flow through the porous medium by using Event-Driven Molecular Dynamics (EDMD) simulation in the transition regime.
M. Koç, I. Kandemir, V. R. Akkaya
doaj  

Expression Profiling of Differentiating Emerin-Null Myogenic Progenitor Identifies Molecular Pathways Implicated in Their Impaired Differentiation

open access: yesCells, 2017
Mutations in the gene encoding emerin cause Emery-Dreifuss muscular dystrophy (EDMD), a disorder causing progressive skeletal muscle wasting, irregular heart rhythms and contractures of major tendons.
Ashvin Iyer   +2 more
doaj   +1 more source

Emery–Dreifuss muscular dystrophy: a test case for precision medicine

open access: yesThe Application of Clinical Genetics, 2016
De-Ann M Pillers,1 Nicholas H Von Bergen21Division of Neonatology and Newborn Medicine, 2Division of Cardiology, Department of Pediatrics, University of Wisconsin-Madison, Madison, WI, USAAbstract: Emery–Dreifuss muscular dystrophy (EDMD) is ...
Pillers DAM, Von Bergen NH
doaj  

Comparison of in vitro gas production technique with in situ nylon bag technique to estimate dry matter degradation

open access: yesCzech Journal of Animal Science, 2005
Dry matter (DM) degradation of wheat straw (WS), barley straw (BS), lucerne hay (LH) and maize silage (MS) was determined using two different techniques: (i) in vitro gas production and (ii) nylon bag degradability technique.
A. Kamalak   +3 more
doaj   +1 more source

Cooperative Output Regulation for Multi-Agent Systems with EDMD Leader Approximation

open access: yesIFAC-PapersOnLine, 2019
Abstract This paper presents a distributed output regulation algorithm for the leader-follower heterogeneous multi-agent system with unknown leader dynamics. The unknown nonlinear dynamics of the leader agent are reconstructed based on a data-driven transformation that lifts the nonlinear dynamics to a linear space that approximates it.
F. Galarza-Jimenez   +3 more
openaire   +1 more source

Home - About - Disclaimer - Privacy