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   Articles with "commutativity" as a keyword



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Intrinsic non-commutativity of closed string theory

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recommendations! Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep09(2017)060

Abstract: A bstractWe show that the proper interpretation of the cocycle operators appearing in the physical vertex operators of compactified strings is that the closed string target is noncommutative. We track down the appearance of this… read more here.

Keywords: non commutativity; commutativity closed; string theory; commutativity ... See more keywords

Commutativity, Normativity, and Holism: Lange Revisited

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recommendations! Published in 2020 at "Canadian Journal of Philosophy"

DOI: 10.1017/can.2019.17

Abstract: Abstract Lange (2000) famously argues that although Jeffrey Conditionalization is non-commutative over evidence, it’s not defective in virtue of this feature. Since reversing the order of the evidence in a sequence of updates that don’t… read more here.

Keywords: lange; defective virtue; normativity holism; commutativity ... See more keywords

Commutativity of systems with their feedback conjugates

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recommendations! Published in 2019 at "Transactions of the Institute of Measurement and Control"

DOI: 10.1177/0142331218765615

Abstract: After introducing commutativity concept and summarizing the relevant literature, this work is focused on the commutativity of feedback conjugates. It is already known that a linear time-varying differential system describing a single input-single output dynamical… read more here.

Keywords: system; time varying; commutativity; feedback ... See more keywords

Maps on self-adjoint operators preserving some relations related to commutativity

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recommendations! Published in 2024 at "Mathematica Slovaca"

DOI: 10.1515/ms-2024-0111

Abstract: Abstract In this paper, we give the complete description of maps on self-adjoint bounded operators on Hilbert space which preserve a triadic relation involving the difference of operators and either commutativity or quasi-commutativity in both… read more here.

Keywords: preserving relations; operators preserving; commutativity; maps self ... See more keywords
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A note on subgroup commutativity degrees of finite groups

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recommendations! Published in 2018 at "Quaestiones Mathematicae"

DOI: 10.2989/16073606.2018.1439119

Abstract: Abstract In this note we give some new results concerning the subgroup commutativity degree of a finite group G. These are obtained by considering the minimum of subgroup commutativity degrees of all sections of G. read more here.

Keywords: finite groups; commutativity degrees; note subgroup; commutativity ... See more keywords