Results 61 to 70 of about 5,897,592 (221)
, 2018 A discrete non-linear $\sigma$-model is obtained by triangulate both the space-time $M^{d+1}$ and the target space $K$. If the path integral is given by the sum of all the complex homomorphisms $\phi: M^{d+1} \to K$, with an partition function that is ...
Lan, Tian +2 more
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Boletim da Sociedade Paranaense de MatemáticaThe purpose of this paper is to introduce a new structure called primal. Primal is the dual structure of grill. Like ideal, the dual of filter, this new structure also generates a new topology named primal topology. We introduce a new operator using primal, which satisfies Kuratowski closure axioms.
Santanu Acharjee +2 more
openaire +2 more sources
Random-walk topological transition revealed via electron counting
, 2017 The appearance of topological effects in systems exhibiting a non-trivial topological band structure strongly relies on the coherent wave nature of the equations of motion.
Benito, M. +4 more
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Frontiers in Big Data, 2020 A novel subject classification scheme should often be applied to a preclassified bibliographic database for the research evaluation task. Generally, adopting a new subject classification scheme is labor intensive and time consuming, and an effective and ...
Kei Kurakawa, Yuan Sun, Satoko Ando
doaj +1 more source
On the $C_k$-stable closure of the class of (separable) metrizable spaces
, 2015 Denote by $\mathbf C_k[\mathfrak M]$ the $C_k$-stable closure of the class $\mathfrak M$ of all metrizable spaces, i.e., $\mathbf C_k[\mathfrak M]$ is the smallest class of topological spaces that contains $\mathfrak M$ and is closed under taking ...
Banakh, Taras, Gabriyelyan, Saak
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On some properties of $T_0$-ordered reflection
Applied General Topology, 2014 In [12], the authors give an explicit construction of the T0−ordered reflection of an ordered topological space (X, τ,≤) . All ordered topological spaces such that whose T0−ordered reflections are T1−ordered spaces are characterized.
Sami Lazaar, Abdelouaheb Mhemdi
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Ways of obtaining topological measures on locally compact spaces [PDF]
Известия Иркутского государственного университета: Серия "Математика", 2018 Topological measures and quasi-linear functionals generalize measures and li\-near functionals. Deficient topological measures, in turn, generalize topological measures.
S. V. Butler
doaj +1 more source
Strictly convex norms and topology
, 2010 We introduce a new topological property called (*) and the corresponding class of topological spaces, which includes spaces with $G_\delta$-diagonals and Gruenhage spaces.
Orihuela, José +2 more
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Unified characterization for higher-order topological phase transitions
Physical Review Research, 2023 Higher-order topological phase transitions (HOTPTs) are associated with closing either the bulk energy gap (type-I) or boundary energy gap (type-II) without changing symmetry, and conventionally, both transitions are captured in real space and ...
Wei Jia +4 more
doaj +1 more source
Policy mobilities as comparison: urbanization processes, repeated instances, topologies
Revista de Administração Pública, 2018 Following on from calls to reformat comparative urban methods to support global urban studies, this paper draws inspiration from policy mobilities to explore how the genetic interconnectedness of urban processes and outcomes can be mobilised ...
Jennifer Robinson
doaj +2 more sources