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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Non-local operators with low-order singular kernels
低阶 奇异内核 非局部 运算符 正则性估计 二阶椭圆方程
2023/4/24
The regularity estimates have well-established for second-order elliptic and parabolic equations, as well as for equations with stable-like non-local operators. Whether similar results hold for non-lo...
A 24-variable low-order coupled ocean–atmosphere model: OA-QG-WS v2
Low-order coupled ocean-atmosphere model the ocean atmosphere coupling atmospheric composition low-order ocean
2014/12/18
A new low-order coupled ocean–atmosphere model for midlatitudes is derived. It is based on quasi-geostrophic equations for both the ocean and the atmosphere, coupled through momentum transfer at the i...
Global solutions for the generalized Boussinesq equation in low-order Sobolev spaces
Global solutions generalized Boussinesq equation low-order Sobolev spaces
2010/12/14
We show that the Cauchy problem for the defocusing generalized Boussinesq equation utt − uxx + uxxxx − (|u|2ku)xx = 0, k 1, on the real line is globally well-posed in Hs(R) for s > 1W...
Low-order models of wave interactions in the transition to baroclinic chaos
Low-order models wave interactions baroclinic chaos
2009/11/16
A hierarchy of low-order models, based on the quasi-geostrophic two-layer model, is used to investigate complex multi-mode flows. The different models were used to study distinct types of nonlinear in...
Dynamical implications of prescribing part of a coupled system:Results from a low-order model
Dynamical implications prescribing part coupled system low-order model
2009/11/13
It is a common procedure in climate modelling to specify dynamical system components from an external source; a prominent example is the forcing of an atmospheric model with observed sea surface tempe...
Energy-conserving and Hamiltonian low-order models in geophysical fluid dynamics
Energy-conserving Hamiltonian low-order models geophysical fluid dynamics
2009/11/9
Arbitrary truncations in the Galerkin method commonly used to derive low-order models (LOMs) may violate fundamental conservation properties of the original equations, causing unphysical behaviors in ...
Deep bore well water level fluctuations in the Koyna region,India:the presence of a low order dynamical system in a seismically active environment
water level fluctuations low order dynamical system seismically active environment
2009/10/30
Water level fluctuations in deep bore wells in the vicinity of seismically active Koyna region in western India provides an opportunity to understand the causative mechanism underlying reservoir-trigg...
Low Order Baroclinic Models Forced by Meridional and Zonal Heating
Baroclinic Models Low Order Heating
2009/6/15
Low Order Baroclinic Models Forced by Meridional and Zonal Heating.
Efficiency of low-order adaptive correction for the San Pedro Mártir observatory：experimental results
low-order adaptive correction San Pedro Mártir
2009/6/11
Efficiency of low-order adaptive correction for the San Pedro Mártir observatory：experimental results。
Development of a Low-order Adaptive Optics System at Udaipur Solar Observatory
Sun: astronomical seeing adaptive optics solar telescopes solar imaging
2009/5/6
A low-order Adaptive Optics (AO) system is being developed
at the Udaipur Solar Observatory and we present in this paper the
status of the project, which includes the image stabilization system and
...
Presentation,calibration and validation of the low-order,DCESS Earth System Model (Version 1)
Presentation calibration validation low-order DCESS Earth System Model
2010/2/5
A new, low-order Earth System Model is described, calibrated and tested against Earth system data. The model features modules for the atmosphere, ocean, ocean sediment, land biosphere and lithosphere ...
Analysis of Some Low Order Qqadrilateral Reissner-Mindlin Plate Elements
Plate Elements Reissner-Mindlin plate model
2012/8/1
Four quadrilateral elements for the Reissner-Mindlin plate model are considered. The elements are the stabilized MITC4 element of Lyly, Stenberg and Vihinen [27], the MIN4 element of Tessler and Hughe...