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Cluster Expansion in the Canonical Ensemble

- Elena Pulvirenti, D. Tsagkarogiannis
- Physics
- 5 May 2011

We consider a system of particles confined in a box $${\Lambda \subset \mathbb{R}^d}$$ interacting via a tempered and stable pair potential. We prove the validity of the cluster expansion for the… Expand

Convergence of Density Expansions of Correlation Functions and the Ornstein–Zernike Equation

- T. Kuna, D. Tsagkarogiannis
- Mathematics
- 6 November 2016

We prove absolute convergence of the multi-body correlation functions as a power series in the density uniformly in their arguments. This is done by working in the context of the cluster expansion in… Expand

From Mesoscale Back to Microscale: Reconstruction Schemes for Coarse-Grained Stochastic Lattice Systems

- José Trashorras, D. Tsagkarogiannis
- Computer ScienceSIAM J. Numer. Anal.
- 1 September 2010

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Current Reservoirs in the Simple Exclusion Process

- A. Masi, E. Presutti, D. Tsagkarogiannis, M. Vares
- Mathematics
- 18 April 2011

We consider the symmetric simple exclusion process in the interval [−N,N] with additional birth and death processes respectively on (N−K,N], K>0, and [−N,−N+K). The exclusion is speeded up by a… Expand

Truncated correlations in the stirring process with births and deaths

- A. Masi, E. Presutti, D. Tsagkarogiannis, M. Vares
- Mathematics
- 18 April 2011

We consider the stirring process in the interval $\Lambda_N:=[-N,N]$ of $\mathbb Z$ with births and deaths taking place in the intervals $I_+:=(N-K,N]$, and respectively $I_-:=[-N,-N+K)$, $1 \le K… Expand

Finite Volume Corrections and Decay of Correlations in the Canonical Ensemble

- Elena Pulvirenti, D. Tsagkarogiannis
- Mathematics
- 9 September 2014

We consider a classical system of $$N$$N particles confined in a box $$\Lambda \subset \mathbb {R}^d$$Λ⊂Rd interacting via a finite range pair potential. Given the validity of the cluster expansion… Expand

Virial inversion and density functionals

- S. Jansen, T. Kuna, D. Tsagkarogiannis
- Mathematics
- 5 June 2019

We prove a novel inversion theorem for functionals given as power series in infinite-dimensional spaces and apply it to the inversion of the density-activity relation for inhomogeneous systems. This… Expand

Mesoscopic Modeling for Continuous Spin Lattice Systems: Model Problems and Micromagnetics Applications

- M. Katsoulakis, P. Plecháč, D. Tsagkarogiannis
- Physics
- 1 April 2005

In this paper we derive deterministic mesoscopic theories for model continuous spin lattice systems both at equilibrium and non-equilibrium in the presence of thermal fluctuations. The full magnetic… Expand

Parameterization of Coarse-Grained Molecular Interactions through Potential of Mean Force Calculations and Cluster Expansion Techniques

- A. Tsourtis, V. Harmandaris, D. Tsagkarogiannis
- PhysicsEntropy
- 16 December 2016

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COARSE-GRAINING SCHEMES AND A POSTERIORI ERROR ESTIMATES FOR STOCHASTIC LATTICE SYSTEMS

- M. Katsoulakis, P. Plecháč, L. Rey-Bellet, D. Tsagkarogiannis
- Computer Science
- 1 August 2006

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