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The machinery is suggested to describe the varying spacetime topology on the level of its substitutes by finite topological spaces.

广义相对论与量子宇宙学 · 物理学 2008-02-03 R. R. Zapatrin

Recent advances in computational techniques for $K$-theory allow us to describe the $K$-theory of toric varieties in terms of the $K$-theory of fields and simple cohomological data.

K理论与同调 · 数学 2011-08-03 Guillermo Cortiñas , Christian Haesemeyer , Mark E. Walker , Charles Weibel

We define the pull-back operator, associated to a meromorphic transform, on several types of currents. We also give a simple proof to a version of a classical theorem on the extension of currents.

复变函数 · 数学 2007-05-23 Tien-Cuong Dinh , Nessim Sibony

We survey some results on toric topology.

代数拓扑 · 数学 2017-01-10 Mikiya Masuda

In this paper, we introduce a generalized piecewise translation map on the Euclidean space. We provide a special case when this map is always of finite type. For a finite type map in this case, we form conjectures on the semi-continuity of…

动力系统 · 数学 2017-08-22 Sang Truong

In this note we study the thermodynamic formalism for the positive geodesic flow on the modular surface. We define the pressure and prove the variational principle. We also establish conditions for the the pressure to be real analytic and…

动力系统 · 数学 2012-02-20 Godofredo Iommi

Extended Thermodynamics is a very important theory: for example, it predicts hyperbolicity, finite speeds of propagation waves as well as continuous dependence on initial data. Therefore, it constitutes a significative improvement of…

数学物理 · 物理学 2007-05-23 Sebastiano Pennisi , Maria Cristina Carrisi , Antonio Scanu

The inverse relationship between energy and time is as familiar as Planck's constant. From the point of view of a system with many states, perhaps a better representation of the system is a vector of characteristic times (one per state) for…

统计力学 · 物理学 2007-05-23 David Ford

In this paper we construct a spectral sequence computing a modified version of morphic cohomology of a toric variety (even when it is singular) in terms of combinatorial data coming from the fan of the toric variety.

代数几何 · 数学 2010-01-19 Abdó Roig-Maranges

We review the theory of martingales as applied to stochastic thermodynamics and stochastic processes in physics more generally.

Microcanonical thermodynamics (MT) is analysed for phase transitions of first and second order in finite systems. The transiton temperature, the latent heat and the surface tension of first order transitions can easily be determined by MT…

核理论 · 物理学 2007-05-23 D. H. E. Gross

A thermodynamic formulation of jammed matter is reviewed. Experiments and simulations of compressed emulsions and granular materials are then used to provide a foundation for the thermodynamics.

软凝聚态物质 · 物理学 2007-05-23 Hernan A. Makse , Jasna Brujic , Sam F. Edwards

The dynamics of one dimensional iterative maps in the regime of fully developed chaos is studied in detail. Motivated by the observation of dynamical structures around the unstable fixed point we introduce the geometrical concept of a…

chao-dyn · 物理学 2015-06-24 P. Schmelcher , F. K. Diakonos

Concepts of everyday use like energy, heat, and temperature have acquired a precise meaning after the development of thermodynamics. Thermodynamics provides the basis for understanding how heat and work are related and with the general…

统计力学 · 物理学 2007-05-23 D. Reguera , J. M. Rubi , J. M. G. Vilar

Thermal operations are an operational model of non-equilibrium quantum thermodynamics. In the absence of coherence between energy levels, exact state transition conditions under thermal operations are known in terms of a mathematical…

量子物理 · 物理学 2015-08-11 Varun Narasimhachar , Gilad Gour

We study the variety of complex $n$-dimensional Jordan algebras using techniques from Geometric Invariant Theory.

代数几何 · 数学 2023-04-05 Claudio Gorodski , Iryna Kashuba , María Eugenia Martin

We give a thermodynamically consistent description of simultaneous heat and particle transport, as well as of the associated cross-effects, in the framework of a chaotic dynamical system, a generalized multibaker map. Besides the density, a…

chao-dyn · 物理学 2009-10-31 Laszlo Matyas , Tamas Tel , Jurgen Vollmer

We use Monte Carlo simulations to investigate the thermodynamical behaviour of aggregates consisting of few superparamagnetic particles in a colloidal suspension. The potential energy surface of this classical two-level system with a stable…

Using information theory we derive a thermodynamics for systems evolving under a collective motion, i.e. under a time-odd constraint. An illustration within the Lattice gas Model is given for two model cases: a collision between two complex…

核理论 · 物理学 2015-06-26 F. Gulminelli , PH. Chomaz

A consistent description of simultaneous heat and particle transport, including cross effects, and the associated entropy balance is given in the framework of a deterministic dynamical system. This is achieved by a multibaker map where,…

chao-dyn · 物理学 2009-10-31 Laszlo Matyas , Tamas Tel , Jurgen Vollmer