Results 21 to 30 of about 193,561 (277)

Studying Bone Remodelling and Tumour Growth for Therapy Predictive Control

open access: yesMathematics, 2020
Bone remodelling consists of cycles of bone resorption and formation executed mainly by osteoclasts and osteoblasts. Healthy bone remodelling is disrupted by diseases such as Multiple Myeloma and bone metastatic diseases.
Raquel Miranda   +2 more
doaj   +1 more source

Influence of Population Mobility and Migration on the Original Economic Gap and Spatial Spillover Effect in the Yangtze River Economic Belt

open access: yesRedai dili, 2021
The difference in endowment and the implementation of the gradient development strategy have promoted the large-scale cross-regional migration of China's population and have led to a close relationship between population mobility and migration and the ...
Zeng Yongming, Luo Zepingand Wang Yaoyao
doaj   +1 more source

Unsaturated deformable porous media flow with phase transition [PDF]

open access: yes, 2017
In the present paper, a continuum model is introduced for fluid flow in a deformable porous medium, where the fluid may undergo phase transitions. Typically, such problems arise in modeling liquid-solid phase transformations in groundwater flows.
Krejci, Pavel   +2 more
core   +3 more sources

Density-matrix theory of the optical dynamics and transport in quantum cascade structures: The role of coherence [PDF]

open access: yes, 2009
The impact of coherence on the nonlinear optical response and stationary transport is studied in quantum cascade laser structures. Nonequilibrium effects such as pump-probe signals, the spatio-temporally resolved electron density evolution, and the ...
A. Knorr   +9 more
core   +1 more source

Two-photon interaction between trapped ions and cavity fields [PDF]

open access: yes, 2006
In this paper, we generalize the ordinary two-photon Jaynes-Cummings model (TPJCM) by considering the atom (or ion) to be trapped in a simple harmonic well. A typical setup would be an optical cavity containing a single ion in a Paul trap.
A. Vidiella-Barranco   +21 more
core   +2 more sources

A maximum likelihood model for fitting power functions with data uncertainty: A case study on the relationship between body lengths and masses for Sciuridae species worldwide

open access: yesJournal of Asia-Pacific Biodiversity, 2016
In this report, a maximum likelihood model is developed to incorporate data uncertainty in response and explanatory variables when fitting power-law bivariate relationships in ecology and evolution. This simple likelihood model is applied to an empirical
Youhua Chen
doaj   +1 more source

2D Hydro‐Mechanical‐Chemical Modeling of (De)hydration Reactions in Deforming Heterogeneous Rock: The Periclase‐Brucite Model Reaction

open access: yesGeochemistry, Geophysics, Geosystems, 2020
Deformation at tectonic plate boundaries involves coupling between rock deformation, fluid flow, and metamorphic reactions, but quantifying this coupling is still elusive.
Stefan M. Schmalholz   +4 more
doaj   +1 more source

Super-Relaxed (η)-Proximal Point Algorithms, Relaxed (η)-Proximal Point Algorithms, Linear Convergence Analysis, and Nonlinear Variational Inclusions

open access: yesFixed Point Theory and Applications, 2009
We glance at recent advances to the general theory of maximal (set-valued) monotone mappings and their role demonstrated to examine the convex programming and closely related field of nonlinear variational inequalities. We focus mostly on applications of
Ravi P. Agarwal, Ram U. Verma
doaj   +1 more source

Periodic solutions of nonlinear evolution inclusions

open access: yesJournal of Computational and Applied Mathematics, 1994
The authors establish the existence of periodic trajectories for a class of nonlinear, time-varying evolution inclusions, in which the multivalued term is nonconvex-valued. This result partially extends a recent work of \textit{I. Vrabie} [Proc. Am. Math. Soc. 109, 653-661 (1990; Zbl 0701.34074)].
Lakshmikantham, V.   +1 more
openaire   +2 more sources

Nonlinear Evolution of Very Small Scale Cosmological Baryon Perturbations at Recombination [PDF]

open access: yes, 2000
The evolution of baryon density perturbations on very small scales is investigated. In particular, the nonlinear growth induced by the radiation drag force from the shear velocity field on larger scales during the recombination epoch, which is originally
Fukugita M.   +6 more
core   +4 more sources

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