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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：How to capture tourists' search behavior in tourism forecasts？A two-stage feature selection approach
旅游预测 游客 搜索行为 两阶段 特征选择方法
2023/5/16
Search engine data have been widely used and shown to be useful in tourism demand forecasting. However, considering of the vast amounts of search keywords, how to better capture the tourists' attentio...
Multiple critical behavior of probabilistic limit theorems in the neighborhood of a tricritical point
Complex structures the transition phase Blume - Emery - Griffiths model spin moderate deviation the total spin
2014/12/25
We derive probabilistic limit theorems that reveal the intricate structure of the phase transitions in a mean-field version of the Blume–Emery–Griffiths model [Phys. Rev. A 4 (1971) 1071–1077]. These ...
Asymptotic behavior of the magnetization near critical and tricritical points via Ginzburg-Landau polynomials
Asymptotic behavior of magnetization gold landau lattice model of the spin
2014/12/25
The purpose of this paper is to prove connections among the asymptotic behavior of the magnetization, the structure of the phase transitions, and a class of polynomials that we call the Ginzburg–Landa...
Phase transition behavior in a cellular automaton model with different initial configurations
dynamical transition
2011/3/25
We investigate the dynamical transition from free-flow to jammed traffic, which is related to the divergence of the relaxation time and susceptibility of the energy dissipation rate $E_d$, in the Nage...
Computer investigation of chaotic behavior of stationary alpha-stable processes
Computer investigation chaotic behavior stationary alpha-stable processes
2009/9/22
In this paper we present a method of computer
investigation of chaotic behavior of stationary a-stable stochastic
processes, i.e., an important class of processes with cadag trajectories.
Our resul...
Asymptotic behavior for the surviving Brownian motion on the Sierpiński gasket with Poisson obstacles
Asymptotic behavior the surviving Brownian motion the Sierpiński gasket with Poisson obstacles
2009/9/22
A Brownian motion on the Sierpiriski gasket gets
absorbed at the boundary of a cloud of balls with centers distributed
according to an independent Poisson law. The aim of this paper is to
investiga...
Asymptotic behavior of some random splitting schemes
Splitting schemes asymptotic behavior Markov chains stationary distribution contraction principle
2009/9/21
We consider three new schemes of random splitting of
a unit interval. These schemes am related to settings considered earlier
in literature. Essentially we are concerned with asymptotic behavior of
...
LIMITING BEHAVIOR OF WEIGHTED SUMS OF HEAVY-TAILED RANDOM VECTORS AND APPLICATIONS
Generalized domains of semistable attraction operator semistable laws laws of the iterated logarithm
2009/9/21
We present an integral test to determine the limiting
behavior of weighted sums of i.i.d. Rd-valued random vectors belonging
to the (generalized) domain of operator semistable attraction of
some no...
Long-term behavior for superprocesses over a stochastic flow
Superprocess stochastic flow log-Laplace equation long-term behavior
2009/4/28
We study the limit of a superprocess controlled by a stochastic flow as $ttoinfty$. It is proved that when $d le 2$, this process suffers long-time local extinction; when $dge 3$, it has a limit which...