Results 211 to 220 of about 11,348 (250)

Optical Bound States in the Continuum in Subwavelength Gratings Made of an Epitaxial van der Waals Material. [PDF]

ACS Nano
Pruszyńska-Karbownik E, Fąs T, Brańko K, Yavorskiy D, Stonio B, Bożek R, Karbownik P, Wróbel J, Czyszanowski T, Stefaniuk T, Pacuski W, Suffczyński J.   +11 more
europepmc   +1 more source

Block mapping class groups and their finiteness properties. [PDF]

Geom Dedic
Aramayona J, Aroca J, Cumplido M, Skipper R, Wu X.   +4 more
europepmc   +1 more source

Transmissive metasurface with 3.5-μm-thick liquid crystals for subterahertz-wave dynamic beamforming. [PDF]

Commun Eng
Kitayama D, Kagami H, Pander A, Hama Y, Takahashi H.   +4 more
europepmc   +1 more source

Enhanced non resonant transmission through subwavelength apertures in conducting screens using self dual coats. [PDF]

Sci Rep
Geva R, Kharchevskii A, Tzidki O, Ginzburg P, Kastner R.   +4 more
europepmc   +1 more source

Rigorous treatment of polytopal rearrangements reveal surprising complexity of stereoisomerism configuration landscapes. [PDF]

Chem Sci
Canfield PJ, Crossley MJ.
europepmc   +1 more source

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Lévy–Khinchin formula for the infinite symmetric group

Mathematische Zeitschrift, 2012
A function \(f\) on a group \(G\) is said to be a positive type function if, for any \(g_1, g_2, \dotsc, g_n\in G\) and \(c_1, c_2, \dotsc, c_n\in \mathbb{C}\) \[ \sum_{i, j=1}^n c_i \overline{c_j} f(g_i^{-1}g_j)\geq 0. \] Also, a function \(\psi\) on \(G\) is said to be a negative type function if \(\psi(e)\geq 0\), \(\psi(g^{-1})=\overline{\psi(g)}\)
Mohamed Bouali
exaly   +2 more sources

Unbounded families and the cofinality of the infinite symmetric group

Archive for Mathematical Logic, 1995
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Simon Thomas
exaly   +3 more sources

Groupwise density and the cofinality of the infinite symmetric group

Archive for Mathematical Logic, 1998
For a group \(G\) which is not finitely generated, the cofinality of \(G\), written \(c(G)\), is defined to be the least cardinal \(\lambda\) such that \(G\) is the union of a chain of \(\lambda\) proper subgroups. For an infinite cardinal \(\kappa\), denote \(c({\mathfrak{Sym}}(\kappa))\) by \(c_\kappa\). \textit{H.~D.
Simon Thomas
exaly   +3 more sources