Results 11 to 20 of about 3,582,598 (362)

Uniqueness and non-uniqueness in percolation theory [PDF]

open access: yesProbability Surveys, 2005
This paper is an up-to-date introduction to the problem of uniqueness versus non-uniqueness of infinite clusters for percolation on ${\mathbb{Z}}^d$ and, more generally, on transitive graphs.
Häggström, Olle, Jonasson, Johan
core   +5 more sources

The Uniqueness of Hypergravity [PDF]

open access: yesJournal of High Energy Physics, 2019
We show that consistent interactions of a spin-2 and a higher-spin Majorana fermion gauge fields in 3D flat space lead uniquely to Aragone-Deser hypergravity or its generalization.
Rahman, Rakibur
core   +6 more sources

Uniqueness of Simultaneity [PDF]

open access: yesThe British Journal for the Philosophy of Science, 2000
We consider the problem of uniqueness of certain simultaneity structures in flat spacetime. Absolute simultaneity is specified to be a non-trivial equivalence relation which is invariant under the automorphism group Aut of spacetime.
Giulini, Domenico
core   +6 more sources

Quantum uniqueness [PDF]

open access: yesFoundations of Physics, 2010
In the classical world one can construct two identical systems which have identical behavior and give identical measurement results. We show this to be impossible in the quantum domain.
A Aspect   +18 more
core   +2 more sources

Existence and Uniqueness of Solutions to Four-Point Impulsive Fractional Differential Equations with p-Laplacian Operator

open access: yesMathematics, 2022
In this paper, by using fixed-point theorems, the existence and uniqueness of positive solutions to a class of four-point impulsive fractional differential equations with p-Laplacian operators are studied. In addition, three examples are given to justify
Limin Chu   +3 more
doaj   +1 more source

Phase Retrieval: Uniqueness and Stability [PDF]

open access: yesSIAM Review, 2019
The problem of phase retrieval, i.e., the problem of recovering a function from the magnitudes of its Fourier transform, naturally arises in various fields of physics, such as astronomy, radar, speech recognition, quantum mechanics and, perhaps most ...
P. Grohs   +2 more
semanticscholar   +1 more source

External Uniqueness Is Unique Enough [PDF]

open access: yes, 2003
External uniqueness is a surprising new way to add unique references to an OOPL. The idea is that an externally unique reference is the only reference into an aggregate from outside the aggregate. Internal references which do not escape the boundary of the aggregate are innocuous and therefore permitted.
Clarke, Dave, Wrigstad, Tobias
openaire   +5 more sources

Uniqueness Results for Some Inverse Electromagnetic Scattering Problems with Phaseless Far-Field Data

open access: yesAxioms, 2023
Consider three electromagnetic scattering models, namely, electromagnetic scattering by an elastic body, by a chiral medium, and by a cylinder at oblique incidence. We are concerned with the corresponding inverse problems of determining the locations and
Xianghe Zhu, Jun Guo, Haibing Wang
doaj   +1 more source

On Unique Determination of Polyhedral Sets

open access: yesAxioms, 2023
In this paper, we develop in detail the geometric constructions that lead to many uniqueness results for the determination of polyhedral sets, typically scatterers, by a finite minimal number of measurements.
Luca Rondi
doaj   +1 more source

Uniqueness and Regularity for the Navier-Stokes-Cahn-Hilliard System [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 2018
The motion of two contiguous incompressible and viscous fluids is described within the diffuse interface theory by the so-called Model H. The system consists of the Navier-Stokes equations, which are coupled with the Cahn-Hilliard equation associated to ...
A. Giorgini, A. Miranville, R. Temam
semanticscholar   +1 more source

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