Results 41 to 50 of about 25,187,934 (365)

Controllability distributions and systems approximations: a geometric approach [PDF]

open access: yes, 1994
Given a nonlinear system we determine a relation at an equilibrium between controllability distributions defined for a nonlinear system and a Taylor series approximation of it. The value of such a relation is appreciated if we recall that the solvability
Nijmeijer, H., Ruiz, A.C.
core   +3 more sources

Deformations and Nonlinear Systems

open access: yes, 1996
The q-deformation of harmonic oscillators is shown to lead to q-nonlinear vibrations. The examples of q-nonlinearized wave equation and Schr dinger equation are considered. The procedure is generalized to broader class of nonlinearities related to other types of deformations.
Man'ko, V. I., Marmo, G., Zaccaria, F.
openaire   +3 more sources

Carbon market price prediction in the Yangtze River Basin based on improved deep learning ensemble model with CEEMDAN and Attention-RNN

open access: yesCarbon Balance and Management
Accurate carbon price prediction can help the government establish an effective and stable carbon trading market mechanism, which researchers are increasingly focusing on.
Zuliang Lu   +4 more
doaj   +1 more source

Parametric Characteristics and Bifurcation Analysis of Multi-Degree-of-Freedom Micro Gyroscope with Drive Stiffness Nonlinearity

open access: yesMicromachines, 2019
The dynamic equations of a four-degree-of-freedom micro gyroscope system were developed considering the nonlinearity of driving stiffness, the primary resonance, and the 1:1 internal resonance.
Mingjiang Han   +3 more
doaj   +1 more source

Gauge-invariant description of several (2+1)-dimensional integrable nonlinear evolution equations

open access: yes, 2009
We obtain new gauge-invariant forms of two-dimensional integrable systems of nonlinear equations: the Sawada-Kotera and Kaup-Kuperschmidt system, the generalized system of dispersive long waves, and the Nizhnik-Veselov-Novikov system.
A. Davey   +28 more
core   +1 more source

On the nonlinear stability of a quasi-two-dimensional drift kinetic model for ion temperature gradient turbulence [PDF]

open access: yes, 2015
We study a quasi-two-dimensional electrostatic drift kinetic system as a model for near-marginal ion temperature gradient (ITG) driven turbulence. A proof is given of the nonlinear stability of this system under conditions of linear stability. This proof
Plunk, G. G.
core   +2 more sources

PARP inhibitors elicit distinct transcriptional programs in homologous recombination competent castration‐resistant prostate cancer

open access: yesMolecular Oncology, EarlyView.
PARP inhibitors are used to treat a small subset of prostate cancer patients. These studies reveal that PARP1 activity and expression are different between European American and African American prostate cancer tissue samples. Additionally, different PARP inhibitors cause unique and overlapping transcriptional changes, notably, p53 pathway upregulation.
Moriah L. Cunningham   +21 more
wiley   +1 more source

MIMO nonlinear PID predictive controller [PDF]

open access: yes, 2002
A class of nonlinear generalised predictive controllers (NGPC) is derived for multi-input multi-output (MIMO) nonlinear systems with offset or steady-state response error.
Cameron   +7 more
core   +1 more source

LINC01116, a hypoxia‐lncRNA marker of pathological lymphangiogenesis and poor prognosis in lung adenocarcinoma

open access: yesMolecular Oncology, EarlyView.
The LINC01116 long noncoding RNA is induced by hypoxia and associated with poor prognosis and high recurrence rates in two cohorts of lung adenocarcinoma patients. Here, we demonstrate that besides its expression in cancer cells, LINC01116 is markedly expressed in lymphatic endothelial cells of the tumor stroma in which it participates in hypoxia ...
Marine Gautier‐Isola   +12 more
wiley   +1 more source

The research of river basin ecological compensation based on water emissions trading mechanism

open access: yesWater Science and Technology
By integrating the successful case of the European Union emissions trading system, this study proposes a water emissions trading system, a novel method of reducing water pollution.
Zuliang Lu   +4 more
doaj   +1 more source

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