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检索条件"机构=Program in Applied Mathematics"
2194 条 记 录,以下是61-70 订阅
排序:
CONTINUOUS-SPECTRUM IN THE GROUND-STATE OF 2 SPIN-1/2 MODELS IN THE INFINITE-VOLUME LIMIT
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JOURNAL OF STATISTICAL PHYSICS 1993年 第1-2期72卷 381-403页
作者: POKORNY, M 1. Program in Applied Mathematics University of Arizona Tucson Arizona
We show that in the ground states of the infinite-volume limits of both the spin-1/2 anisotropic antiferromagnetic Heisenberg model (in dimensions d greater-than-or-equal-to 2), and the ferromagnetic Ising model in a ... 详细信息
来源: 评论
QUANTIZING THE DISCRETE SELF-TRAPPING EQUATION
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PHYSICS LETTERS A 1994年 第1期188卷 21-26页
作者: HAYS, MH SCOTT, AC Program in Applied Mathematics University of Arizona Tucson AZ 85721 USA
Although normal ordering (NO) is often used as a quantization procedure for classical problems that are based on complex mode amplitudes, an alternate choice, called ''symmetric ordering'' (SO), is cha...
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CHAOS AND COHERENT STRUCTURES IN PARTIAL-DIFFERENTIAL EQUATIONS
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PHYSICA D 1986年 第1-3期18卷 85-112页
作者: ACEVES, A ADACHIHARA, H JONES, C LERMAN, JC MCLAUGHLIN, DW MOLONEY, JV NEWELL, AC Applied Mathematics Program University of Arizona Tuczon AZ 85721 USA
This paper addresses the possible connections between chaos, the unpredictable behavior of solutions of finite dimensional systems of ordinary differential and difference equations and turbulence, the unpredictable be...
来源: 评论
Average exit time for volume-preserving maps
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CHAOS 1997年 第1期7卷 139-147页
作者: Meiss, JD Program in Applied Mathematics University of Colorado Boulder Colorado 80304.
For a volume-preserving map, we show that the exit time averaged over the entry set of a region is given by the ratio of the measure of the accessible subset of the region to that of the entry set. This result is prim... 详细信息
来源: 评论
CONVERGENCE TO THE GROUND-STATE ENERGY IN THE THERMODYNAMIC LIMIT OF THE ISING-MODEL IN A STRONG TRANSVERSE FIELD
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JOURNAL OF STATISTICAL PHYSICS 1993年 第1-2期73卷 345-360页
作者: POKORNY, M 1. Program in Applied Mathematics University of Arizona Tucson Arizona
For the quantum mechanical Ising model in a strong transverse field we show that the convergence of the ground-state energy per site as the volume goes to infinity has an Ornstein-Zernicke behavior. That is, if the di... 详细信息
来源: 评论
Integrating Chain-of-Thought and Retrieval Augmented Generation Enhances Rare Disease Diagnosis from Clinical Notes
arXiv
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arXiv 2025年
作者: Wu, Da Wang, Zhanliang Nguyen, Quan Wang, Kai Raymond G. Perelman Center for Cellular and Molecular Therapeutics Children's Hospital of Philadelphia PhiladelphiaPA19104 United States Applied Mathematics and Computational Science Graduate Program University of Pennsylvania PhiladelphiaPA19104 United States Bioengineering Graduate Program University of Pennsylvania PhiladelphiaPA19104 United States Department of Pathology and Laboratory Medicine Perelman School of Medicine University of Pennsylvania PhiladelphiaPA19104 United States
Background: Several studies show that large language models (LLMs) struggle with phenotype-driven gene prioritization for rare diseases. These studies typically use Human Phenotype Ontology (HPO) terms to prompt found... 详细信息
来源: 评论
FINITE-SIZE EFFECTS IN FORCED 2-DIMENSIONAL TURBULENCE
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JOURNAL OF FLUID MECHANICS 1994年 274卷 115-138页
作者: SMITH, LM YAKHOT, V [a1] Program in Applied and Computational Mathematics Princeton University Princeton NJ 08544 USA
A new mechanism for the creation of structures in two-dimensional turbulence is investigated. The forced Navier-Stokes equations are solved numerically in a periodic square in the limit of zero viscosity. The force is... 详细信息
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SMOOTH SURFACE RECONSTRUCTION FROM SCATTERED DATA POINTS
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COMPUTERS & GRAPHICS 1991年 第1期15卷 29-39页
作者: AGISHTEIN, ME MIGDAL, AA Program in Applied and Computational Mathematics Princeton University Fine Hall Princeton NJ 08544 USA
We describe here a new technique and a package for rapid reconstruction of smooth surfaces from scattered data points. This method is based on a fast recurrent algorithm for the Delauney triangulation followed by rati... 详细信息
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On the adaptive numerical solution of nonlinear partial differential equations in wavelet bases
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JOURNAL OF COMPUTATIONAL PHYSICS 1997年 第2期132卷 233-259页
作者: Beylkin, G Keiser, JM Program in Applied Mathematics University of Colorado Boulder Colorado 80309-0526 [f1]
This work develops fast and adaptive algorithms for numerically solving nonlinear partial differential equations of the form u(t) = Lu + Nf(u), where L and N are linear differential operators and f(u) is a nonlinear f... 详细信息
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Perturbations of elliptic billiards
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PHYSICA D-NONLINEAR PHENOMENA 1996年 第1期99卷 59-80页
作者: Lomeli, HE University of Colorado Program in Applied Mathematics Box 526 Boulder CO 80309-0526 USA
The dynamical system arising from the problem of billiards is a classical example where the theory of twist maps can be applied. In the case of an elliptic billiard table, the corresponding twist map is integrable and...
来源: 评论