Results 81 to 90 of about 6,342,861 (330)

Phase Portrait Analysis for Multiresolution Generalized Gradient Vector Flow

open access: yesIEICE Trans. Inf. Syst., 2010
We propose a modification of the generalized gradient vector flow field techniques based on multiresolution analysis and phase portrait techniques. The original image is subjected to mutliresolutional analysis to create a sequence of approximation and ...
S. Chucherd   +2 more
semanticscholar   +1 more source

Higher‐Level Structural Classification of Pseudomonas Cyclic Lipopeptides through Their Bioactive Conformation

open access: yesAdvanced Science, EarlyView.
Solution structures of a series of cyclic lipodepsipeptides from Pseudomonas reveal that these specialized metabolites adopt left‐handed alpha helical conformations of only two types, being either ‘stapled’ or ‘catch‐pole’ helix. The particular modular distribution of the biosynthetic gene clusters is found to determine the extent of their conserved ...
Benjámin Kovács   +9 more
wiley   +1 more source

ASYMPTOTIC BEHAVIOR OF COMPLEX SCALAR FIELDS IN A FRIEDMAN-LEMAITRE UNIVERSE

open access: yes, 1995
We study the coupled Einstein-Klein-Gordon equations for a complex scalar field with and without a quartic self-interaction in a curvatureless Friedman-Lema\^{\i}\-tre Universe. The equations can be written as a set of four coupled first order non-linear
A. D. Linde   +14 more
core   +1 more source

Ubiquitination‐Driven Reprogramming of Proteostasis in Metastasis

open access: yesAdvanced Science, EarlyView.
The DCAF12–TRiC/CCT axis is a key regulator of metastasis in cancer. By reprogramming proteostasis to ensure efficient protein folding, it drives progression through a dual mechanism: enhancing cancer cell motility and invasiveness while concurrently activating pro‐growth and survival pathways.
Dongping Wei, Jiayan Chen, Yaping Xu
wiley   +1 more source

DIAMAGNETIC MODULATION OF TRANSVERSE GALVANOMAGNETIC EFFECTS IN LONGITUDINAL AUTOSOLITON IN P-INSB

open access: yesВестник Северо-Кавказского федерального университета, 2022
Experiments show that Ettingshausen effect that is revealed in longitudinal autosoliton in transverse magnetic field that causes movement in the autosoliton can be suppressed with diamagnetism, which appears in the longitudinal magnetic field. Current in
Ibragimhan K. Kamilov   +2 more
doaj  

The determination of the topological structure of skin friction lines on a rectangular wing-body combination [PDF]

open access: yes
A short tutorial in the application of topological ideas to the intepretation of oil flow patterns is presented. Topological concepts such as critical points, phase portraits, topological stability, and indexing are discussed.
Fearn, Richard L., Yates, Leslie A.
core   +1 more source

Paths of Friedmann-Robertson-Walker brane models

open access: yes, 2008
Dynamics of brane-world models of dark energy is reviewed. We demonstrate that simple dark energy brane models can be represented as 2-dimensional dynamical systems of a Newtonian type. Hence a fictitious particle moving in a potential well characterizes
Hrycyna, Orest, Szydlowski, Marek
core   +1 more source

Phase portrait of fast filtering algorithms [PDF]

open access: yes1997 European Control Conference (ECC), 1997
Fast filtering algorithms arising from linear filtering and estimation are nonlinear dynamical systems whose initial values are the statistics of the observation process. In this paper, we give a fairly complete description of the phase portrait for such nonlinear dynamical systems.
openaire   +1 more source

Multimodal Wearable Biosensing Meets Multidomain AI: A Pathway to Decentralized Healthcare

open access: yesAdvanced Science, EarlyView.
Multimodal biosensing meets multidomain AI. Wearable biosensors capture complementary biochemical and physiological signals, while cross‐device, population‐aware learning aligns noisy, heterogeneous streams. This Review distills key sensing modalities, fusion and calibration strategies, and privacy‐preserving deployment pathways that transform ...
Chenshu Liu   +10 more
wiley   +1 more source

Singularities and qualitative study in LQC [PDF]

open access: yes, 2017
We will perform a detailed analysis of singularities in Einstein Cosmology and in LQC (Loop Quantum Cosmology). We will obtain explicit analytical expressions for the energy density and the Hubble constant for a given set of possible Equations of State ...
Aresté Saló, Llibert
core  

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