Results 11 to 20 of about 60,378 (240)

On the Affine Image of a Rational Surface of Revolution

open access: yesMathematics, 2020
We study the properties of the image of a rational surface of revolution under a nonsingular affine mapping. We prove that this image has a notable property, namely that all the affine normal lines, a concept that appears in the context of affine ...
Juan G. Alcázar
doaj   +1 more source

nAdder: A scale-space approach for the 3D analysis of neuronal traces.

open access: yesPLoS Computational Biology, 2022
Tridimensional microscopy and algorithms for automated segmentation and tracing are revolutionizing neuroscience through the generation of growing libraries of neuron reconstructions.
Minh Son Phan   +4 more
doaj   +1 more source

Gerbes in Geometry, Field Theory, and Quantisation

open access: yesComplex Manifolds, 2021
This is a mostly self-contained survey article about bundle gerbes and some of their recent applications in geometry, field theory, and quantisation.
Bunk Severin
doaj   +1 more source

Mathematical Modelling of Transient Processes in an Asynchronous Drive with a Long Shaft Including Cardan Joints

open access: yesEnergies, 2021
Beginning with the classic methods, a mathematical model of an electromechanical system is developed that consists of a deep bar cage induction motor that, via a complex motion transmission with distributed mechanical parameters, drives a working machine,
Andriy Chaban   +3 more
doaj   +1 more source

DISTRIBUTION NORMAL CONTACT STRESSES IN THE ROLL GAP AT A CONSTANT SHEAR STRESS

open access: yesActa Metallurgica Slovaca, 2015
Differential equation describing stress state in the rolling gap was derived first time by Karman. Since the solution of the differential equation is not easy many authors try to simplify of entry conditions.
Rudolf Pernis, Tibor Kvackaj
doaj   +1 more source

Design Support of function of brassiere cup using gaussian process regression

open access: yesNihon Kikai Gakkai ronbunshu, 2021
A method to design the function of the brassiere cup shape as developable surfaces and its developed shape using Gaussian Process Regression is proposed.
Kotaro YOSHIDA   +3 more
doaj   +1 more source

On volume subregion complexity in Vaidya spacetime

open access: yesJournal of High Energy Physics, 2019
We study holographic subregion volume complexity for a line segment in the AdS3 Vaidya geometry. On the field theory side, this gravity background corresponds to a sudden quench which leads to the thermalization of the strongly-coupled dual conformal ...
Roberto Auzzi   +4 more
doaj   +1 more source

Methodology and applications of acousto-electric analogy in photoacoustic cell design for trace gas analysis

open access: yesPhotoacoustics, 2023
Photoacoustic cells play an important role in photoacoustic trace gas analysis, as they can amplify the photoacoustic signal and improve detection limit.
Xiaoli Liu, Hongpeng Wu, Lei Dong
doaj   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

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