Search Results - subject:"Random fields"

Thermodynamical properties of the random field mixed spin Ising model

Benayad, N.; Fathi, A.; Khaya, L. - In: Physica A: Statistical Mechanics and its Applications 300 (2001) 1, pp. 225-244

A theoretical study of a mixed spin Ising system consisting of spin-1/2 and spin-1 with a random field is studied by the use of the finite cluster approximation within the framework of a single-site cluster theory. In this approach, the phase diagrams and magnetizations are investigated for the...

Persistent link: https://www.econbiz.de/10010589596

A central limit theorem for nonuniform [phi]-mixing random fields with infinite variance

Maltz, Alberto L. - In: Statistics & Probability Letters 51 (2001) 4, pp. 351-359

For set-indexed partial sums processes of stationary mixing random fields, convergence of finite dimensional …

Persistent link: https://www.econbiz.de/10005319114

Convex stochastic optimization for random fields on graphs: A method of constructing Lagrange multipliers

Evstigneev, I. V.; Taksar, M. I. - In: Computational Statistics 54 (2001) 2, pp. 217-237

The paper analyzes stochastic optimization problems involving random fields on infinite directed graphs. The primary …

Persistent link: https://www.econbiz.de/10010759466

Topologies of Social Interactions

Ioannides, Yannis - Department of Economics, Tufts University - 2001

The paper adapts to richer social structures the Brock-Durlauf model of interactive discrete choice, where individuals’ decisions are influenced by the decisions of others. Social structure is modelled by a description of who interacts with whom, by means of a graph, with individuals as...

Persistent link: https://www.econbiz.de/10005112764

Resampling configurations of points through coding schemes

Pallini, Andrea - In: Statistical Methods and Applications 9 (2000) 1, pp. 159-182

Persistent link: https://www.econbiz.de/10008497251

Renormalization group and variational treatments for a d-dimensional sine-Gordon model with correlated random fields

D'Auria, A. Caramico; Cesare, L. De; Mercaldo, L.; … - In: Physica A: Statistical Mechanics and its Applications 274 (1999) 3, pp. 410-418

We study the effects of correlated symmetry-breaking-like random fields on critical properties of a d-dimensional sine …

Persistent link: https://www.econbiz.de/10011061076

Nonparametric Estimation for Gibbs Random Fields Specified Through One‐Point Systems

Dachian, S. - In: Statistical Inference for Stochastic Processes 1 (1998) 3, pp. 245-264

Persistent link: https://www.econbiz.de/10005169117

On optimal allocations for estimating the surface of a random field

Müller-Gronbach, Thomas; Schwabe, Rainer - In: Metrika 44 (1996) 1, pp. 239-258

Persistent link: https://www.econbiz.de/10005756356

Quite weak Bernoulli with exponential rate and percolation for random fields

Burton, Robert M.; Steif, Jeffrey E. - In: Stochastic Processes and their Applications 58 (1995) 1, pp. 35-55

We show that certain random fields are Quite Weak Bernoulli with Exponential Rate using ideas from percolation. We also …

Persistent link: https://www.econbiz.de/10008872704

Markov fields over countable partially ordered sets: Extrema and splitting

Evstigneev, Igor; Greenwood, Vyatscheslavovitsch; … - University of Bonn, Germany - 1992

Persistent link: https://www.econbiz.de/10004993112