Results 21 to 30 of about 1,154 (174)

Quantum Embedded Superstates [PDF]

open access: yesAdvanced Quantum Technologies, 2021
Abstract Optical supercavity modes (superstates), i.e., hybrid modes emerging from the strong coupling of two modes of an open cavity, can support ultranarrow lines in their scattering spectra associated with quasi bound states in the continuum (quasi‐BIC).
Nikita Nefedkin   +2 more
openaire   +2 more sources

Nearly Ring Homomorphisms and Nearly Ring Derivations on Non-Archimedean Banach Algebras

open access: yesAbstract and Applied Analysis, 2010
We prove the generalized Hyers-Ulam stability of homomorphisms and derivations on non-Archimedean Banach algebras. Moreover, we prove the superstability of homomorphisms on unital non-Archimedean Banach algebras and we investigate the superstability of ...
Madjid Eshaghi Gordji
doaj   +1 more source

Effect of impurities in the description of surface nanobubbles: Role of nonidealities in the surface layer\ud [PDF]

open access: yes, 2011
In a recent study [ S. Das, J. H. Snoeijer and D. Lohse Phys. Rev. E 82 056310 (2010)], we provided quantitative demonstration of the conjecture [ W. A.
Das, Siddhartha
core   +3 more sources

Stability and Superstability of Ring Homomorphisms on Non-Archimedean Banach Algebras

open access: yesAbstract and Applied Analysis, 2011
Using fixed point methods, we prove the superstability and generalized Hyers-Ulam stability of ring homomorphisms on non-Archimedean Banach algebras. Moreover, we investigate the superstability of ring homomorphisms in non-Archimedean Banach algebras ...
M. Eshaghi Gordji, Z. Alizadeh
doaj   +1 more source

Superstability of derivations on Banach ∗-algebras

open access: yesAdvances in Difference Equations, 2017
In this paper, we show that approximate derivations on Banach ∗-algebras are exactly derivations and also show that approximate quadratic ∗-derivations on Banach ∗-algebras are exactly quadratic ∗-derivations by the fixed point theorem.
Sun Young Jang
doaj   +1 more source

Approximately Ternary Homomorphisms on C*-Ternary Algebras

open access: yesAbstract and Applied Analysis, 2013
Gordji et al. established the Hyers-Ulam stability and the superstability of C*-ternary homomorphisms and C*-ternary derivations on C*-ternary algebras, associated with the following functional equation: fx2-x1/3+fx1-3x3/3+f3x1+3x3-x2/3=fx1, by the ...
Eon Wha Shim   +4 more
doaj   +1 more source

Superstability of $m$-additive maps on complete non--Archimedean spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2015
The stability problem of the functional equation was conjectured by Ulam and was solved by Hyers in the case of additive mapping. Baker et al. investigated the superstability of the functional equation from a vector space to real numbers.In this paper ...
Ismail Nikoufar
doaj  

Superstable cycles for antiferromagnetic Q-state Potts and three-site interaction Ising models on recursive lattices

open access: yes, 2014
We consider the superstable cycles of the Q-state Potts (QSP) and the three-site interaction antiferromagnetic Ising (TSAI) models on recursive lattices.
Ananikian, N.   +2 more
core   +1 more source

Downward categoricity from a successor inside a good frame

open access: yes, 2016
We use orthogonality calculus to prove a downward transfer from categoricity in a successor in abstract elementary classes (AECs) that have a good frame (a forking-like notion for types of singletons) on an interval of cardinals: $\mathbf{Theorem ...
Vasey, Sebastien
core   +1 more source

Superstability of functional equations related to spherical functions

open access: yesOpen Mathematics, 2017
In this paper we prove stability-type theorems for functional equations related to spherical functions. Our proofs are based on superstability-type methods and on the method of invariant means.
Székelyhidi László
doaj   +1 more source

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