Results 101 to 110 of about 16,310,261 (292)
Dealing with non-metric dissimilarities in fuzzy central clustering algorithms [PDF]
, 2008 Clustering is the problem of grouping objects on the basis of a similarity measure among them. Relational clustering methods can be employed when a feature-based representation of the objects is not available, and their description is given in terms of ...
Filippone, Maurizio +2 more
core +1 more source
FEBS Letters, EarlyView.Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav +2 more
wiley +1 more source
, 1977 1. 집합 X 上에서 함수 d : X × X→R가 다음 條件 ⓐ, ⓑ, ⓒ를 만족하면 (X,d)는 Metric Space이다. ⓐ d(a,b)=0 때 또 그때에 한해서 a = b ⓑ d(a,b)=d(b,a) ⓓ d(a,b)≤d(a,c)+d(c,b) a, b, c ∈ X인 임의의 元 2. 2-Metric Space (X,ρ)에서, 임의의 a, b, c ∈ X에 대하여 ρ(a,b,c)≥0 가 성립 한다. 3.
柳玉鉉.
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Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers
FEBS Letters, EarlyView.Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui +4 more
wiley +1 more source
FEBS Letters, EarlyView.Synechocystis strains deficient in succinate dehydrogenase (SDH) secrete more succinate than the WT under dark anaerobic conditions, supporting that SDH then primarily acts as SDH, not as a fumarate reductase. L‐aspartate oxidase (Laspo) from Synechocystis is functional under anaerobic conditions, reducing fumarate to succinate.
Kateryna Kukil +3 more
wiley +1 more source
Generalized Hausdorff metric on $S_{b}$-metric space and some fixed point results
, 2023 In this paper, a metric on $S_b$-metric space analogous to the Hausdorff metric has been introduced and some basic properties are obtained on multi-valued $S_b$-metric space.
Sarkar, Jayanta +3 more
core
Stone-type theorem on b-metric spaces and applications
Topology and its Applications, 2015 A triple \((X,d,k)\) is called a \(b\)-metric space if \(X\) is a non-empty set, \(k\geq 1\) is a constant, and \(d: X\times X\to[0,+\infty)\) is a function satisfying (1) \(d(x,y)= 0\) if and only if \(x=y\), (2) \(d(x,y)= d(y, x)\), and (3) \(d(x, z)\leq k[d(x,y)+ d(y, z)]\) for all \(x,y,z\in X\). For \(k=2\), \(b\)-metric spaces were introduced by \
Tran Van An +2 more
openaire +1 more source
Artificial molecular machines and motors—Design and control of nanoscale motion
FEBS Letters, EarlyView.Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley +1 more source
Variations of generalized weak contractions in partially ordered b-metric space. [PDF]
BMC Res Notes, 2022 Rao NS, Kalyani K.
europepmc +1 more source
, 2019 The first two authors would like to thank TUBITAK (The Scientific and Technological Research Council of Turkey) for its financial support during their doctorate studies.
POŞUL, Hande +2 more
openaire +3 more sources