Results 281 to 290 of about 272,456 (331)

On statistical analysis of topological indices and heat of formation for titanium diboride network. [PDF]

Sci Rep
Ismail R, Saher R, Hanif MF, Hanif MF, Siddiqui MK, Fufa SA.   +5 more
europepmc   +1 more source

Accelerating Luminescence in Nanostructures: Exploring the Physical Limits and Impact of Ultrafast Emission in Nanoscale Materials

Advanced Photonics Research, EarlyView.
This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida, Koichi Okamoto, Takuya Matsuda, Hajime Ishihara   +3 more
wiley   +1 more source

Disruption of global brain network topology in amnestic MCI: evidence from multimodal DTI and fMRI. [PDF]

Front Neurosci
Han Y, Bai X, Li W, Feng Z, Chu B, Yang M, Shang Q, Zhang H, Li X, Wang F.   +9 more
europepmc   +1 more source

On-chip topological edge state cavities. [PDF]

Light Sci Appl
Wang W, Shen Z, Tan YJ, Chen K, Singh R.
europepmc   +1 more source

Multifractal based topological characterization of perovskite crystal and predictive analysis on its physical properties. [PDF]

Front Chem
Yogalakshmi K, Easwaramoorthy D.
europepmc   +1 more source

Robust transport of high-speed data in a topological valley Hall insulator. [PDF]

Nanophotonics
Sohn BU, Chen GFR, Gao H, Ng DKT, Tan DTH.   +4 more
europepmc   +1 more source

Programmable state switching based on higher-order exceptional points in anti-parity-time symmetric microcavity systems. [PDF]

Sci Rep
Laha A, Beniwal D, Ghosh S, Miranowicz A.   +3 more
europepmc   +1 more source

Explainable machine learning on weighted connectivity networks across frequencies for outcome prediction in comatose patients

Verdeyme A, Grainger JP, De Lucia M, Olhede SC.   +3 more
europepmc   +1 more source

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Generalized Topological Index

K-Theory, 1997
The topological index was defined by Atiyah and Singer [see \textit{M. F. Atiyah} and \textit{I. M. Singer}, ``The index of elliptic operators. I'', Ann. Math., II. Ser. 87, 484-530 (1968; Zbl 0164.24001)] and they showed that this index satisfies three axioms: excision, multiplicativity and normalization.
Foth, Philip A., Tamarkin, Dmitry E.
openaire   +1 more source

Molecular topological index

Journal of Chemical Information and Computer Sciences, 1990
The molecular topological index (MTI) has been systematically tested for counterexamples (two or more nonisomorphic structures with the same MTI number). The analysis was carried out for alkane trees with up to 16 atoms. The search for counterexamples was positive : the first pair of alkane trees with identical MTI numbers was found in the octane ...
Wolfgang R. Mueller, Klaus Szymanski, Jan V. Knop, Nenad Trinajstic   +3 more
openaire   +1 more source