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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On a two dimensional nonlocal shallow-water model
二维 非局部 浅水模型 三维欧拉系统
2023/4/14
In this talk, we first review some related progresses on one dimensional shallow water models. Then we introduce the derivation of a new nonlocal shallow water model from the 3D Euler system with free...
CONSERVATION PROCESS MODEL (CPM): A TWOFOLD SCIENTIFIC RESEARCH SCOPE IN THE INFORMATION MODELLING FOR CULTURAL HERITAGE
Ontologies cultural heritage conservation BHIM scientific research
2017/6/20
The aim of the present research is to develop an instrument able to adequately support the conservation process by means of a twofold approach, based on both BIM environment and ontology formalisation...
ON TWO-STEP ESTIMATION OF A SPATIAL AUTOREGRESSIVE MODEL WITH AUTOREGRESSIVE DISTURBANCES AND ENDOGENOUS REGRESSORS
Cliff–Ord spatial model Generalized method of moments estimation Limited information estimation
2015/9/24
In this paper, we consider a spatial-autoregressive model with autoregressive disturbances,
where we allow for endogenous regressors in addition to a spatial lag of the dependent variable.
We sugges...
Consciousness,cognition,and the hierarchy of context:extending the global neuronal workspace model
asymptotic limit theorems cognition consciousness information theory phase transition renormalization
2015/7/30
We adapt an information theory analysis of interacting cognitive biological and social modules to the problem of the global neuronal workspace, the new standard neuroscience paradigm for consciousness...
k-Connectivity in Secure Wireless Sensor Networks with Physical Link Constraints - The On/Off Channel Model
k-Connectivity Secure Wireless Sensor Networks Physical Link Constraints The On/Off Channel Model Information Theory
2012/6/29
Random key predistribution scheme of Eschenauer and Gligor (EG) is a typical solution for ensuring secure communications in a wireless sensor network (WSN). Connectivity of the WSNs under this scheme ...
Interference minimization in physical model of wireless networks
interference wireless networks graph connectivity set cover randomized rounding
2011/10/9
Abstract: Interference minimization problem in wireless sensor and ad-hoc networks is considered. That is to assign a transmission power to each node of a network such that the network is connected an...
An Analytical Model for the Intercell Interference Power in the Downlink of Wireless Cellular Networks
Intercell interference power statistical modeling wireless networks Rayleigh fading lognormal shadowing
2011/9/16
Abstract: In this paper, we propose a methodology for estimating the statistics of the intercell interference power in the downlink of a multicellular network. We first establish an analytical express...
The Sender-Excited Secret Key Agreement Model: Capacity and Error Exponents
Secret key capacity Common randomness Wiretap channel Sender-excitation Reliability exponent Secrecy exponent
2011/9/16
Abstract: We consider fundamental limits of the secret key generation problem when the sources are randomly excited by the sender and there is a noiseless public discussion channel. In many practical ...
Application of Predictive Model Selection to Coupled Models
Predictive Model Selection Quantity of In-terest Model Validation Decision Making Bayesian Analysis
2011/9/29
Abstract: A predictive Bayesian model selection approach is presented to discriminate coupled models used to predict an unobserved quantity of interest (QoI). The need for accurate predictions arises ...
Boundary Detection Using Open Spline Curve Based on Mumford-Shah Model
open curve spline curve boundary detection
2008/12/31
Inspired by Cremers;s work, we propose a novel method for open boundary detection, such as coastline, skyline in an
image. It is based on B-spline function, curve evolution and the cartoon model of M...
OPTIMAL RATE OF CONVERGENCE FOR ESTIMATORS IN THE NONPARAMETRIC MEDIAN MODEL
Optimal rate of convergence nonparametri
2007/12/10
摘要 Let (Y,X) be a random vector with its value in R~1×R~d,d\le 1. Let \Theta be the collection of real valued functions θ(x) on R~d which is p times differ-entiable at x=0 and p-1 times differentiable...
OPTIMAL ADAPTIVE CONTROL WITH CONSTRAINT FOR ARMAX MODEL
Stochastic system adaptive control with
2007/12/10
摘要 For the ARMAX system with unknown coefficients the optimal adaptive control isdesigned so that the following requirements are met simultaneously: 1)the transfer function from a reference signal to ...
Fully Automatic DEM Deformation Detection Without Control Points Using Differential Model Based
3D matching deformation detection digital elevation model differential model Least Z-Difference Algorithm
2015/5/28
An attractive, but very difficult research topic is automatic DEM deformation detection without control points. The technique is essential for multi-temporal remote sensing applied in, e.g., soil-eros...