Results 31 to 40 of about 164,476 (314)
On Proximity Spaces Constructed on Rough Sets
AxiomsBased on equivalence relation R on X, equivalence class [x] of a point and equivalence class [A] of a subset represent the neighborhoods of x and A, respectively.
Jong Il Baek +3 more
doaj +1 more source
Vector-Valued Local Approximation Spaces [PDF]
Journal of Fourier Analysis and Applications, 2018 To appear in Journal of Fourier Analysis and Applications.
Merikoski Jori +2 more
openaire +3 more sources
Generalized covering approximation space and near concepts with some applications
, 2016 In this paper, we shall integrate some ideas in terms of concepts in topology. First, we introduce some new concepts of rough membership relations and functions in the generalized covering approximation space.
M. El-Monsef, A. M. Kozae, M. El-Bably
semanticscholar +1 more source
High-frequency approximation for periodically driven quantum systems from a Floquet-space perspective [PDF]
, 2015 We derive a systematic high-frequency expansion for the effective Hamiltonian and the micromotion operator of periodically driven quantum systems. Our approach is based on the block diagonalization of the quasienergy operator in the extended Floquet ...
A. Eckardt, E. Anisimovas
semanticscholar +1 more source
Incomplete Phase Space Reconstruction Method Based on Subspace Adaptive Evolution Approximation
Journal of Applied Mathematics, 2013 The chaotic time series can be expanded to the multidimensional space by phase space reconstruction, in order to reconstruct the dynamic characteristics of the original system.
Tai-fu Li +5 more
doaj +1 more source
Approximation operators based on preconcepts
Open Mathematics, 2020 Using the notion of preconcept, we generalize Pawlak’s approximation operators from a one-dimensional space to a two-dimensional space in a formal context.
Wang Gang, Mao Hua
doaj +1 more source
Global approximation in harmonic spaces [PDF]
Proceedings of the American Mathematical Society, 1994 This paper characterizes, in terms of thinness, compact sets K in a suitable harmonic space Ω \Omega which have the following property: functions which are harmonic (resp. continuous and superharmonic) on a neighbourhood of K can be uniformly approximated on K by functions which are harmonic (resp. continuous and superharmonic) on
Gardiner, Stephen J. +2 more
openaire +1 more source
Mapping the evolution of mitochondrial complex I through structural variation
FEBS Letters, EarlyView.Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin +2 more
wiley +1 more source
FEBS Letters, EarlyView.Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho +3 more
wiley +1 more source
By dawn or dusk—how circadian timing rewrites bacterial infection outcomes
FEBS Letters, EarlyView.The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo +2 more
wiley +1 more source