Results 11 to 20 of about 39,036 (315)

Modules over algebraic cobordism

open access: yesForum of Mathematics, Pi, 2020
We prove that the $\infty $-category of $\mathrm{MGL} $-modules over any scheme is equivalent to the $\infty $-category of motivic spectra with finite syntomic transfers. Using the recognition principle for infinite $\mathbf{P} ^1$-loop spaces, we deduce
Elden Elmanto   +4 more
doaj   +1 more source

A survey of homotopy nilpotency and co-nilpotency

open access: yesPracì Mìžnarodnogo Geometričnogo Centru, 2020
We review known and state some new results on homotopy nilpotency and co-nilpotency of spaces. Next, we take up the systematic study of homotopy nilpotency of homogenous spaces G/K for a Lie group G and its closed subgroup K < G.
Marek Golasinski
doaj   +1 more source

Architecture and Knowledge-Driven Self-Adaptive Security in Smart Space

open access: yesComputers, 2013
Dynamic and heterogeneous smart spaces cause challenges for security because it is impossible to anticipate all the possible changes at design-time. Self-adaptive security is an applicable solution for this challenge. This paper presents an architectural
Antti Evesti   +2 more
doaj   +1 more source

Stochastic processes on totally disconnected topological groups

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2003
Stochastic processes on totally disconnected topological groups are investigated. In particular, they are considered for diffeomorphism groups and loop groups of manifolds on non-Archimedean Banach spaces.
S. V. Ludkovsky
doaj   +1 more source

Termination Analysis of Single Path Loop Programs Based on Iterative Trajectory Division [PDF]

open access: yesJisuanji kexue, 2023
The ranking function has been extensively studied as an important method of program termination analysis.In this paper,we focus on the termination of single-path loops.Firstly,the concept of two-way iterative loops is proposed,and the single-path loops ...
WANG Yao, LI Yi
doaj   +1 more source

Bio-Cyber-Physical ‘Planetoids’ for Repopulating Residual Spaces

open access: yesSpool, 2022
Minimal interventions that provide various microclimates can stimulate both biodiversity and social accessibility of leftover spaces. New habitats are often developed for different animal and plant species based on studies of the microclimates typical ...
Pierre Oskam   +2 more
doaj   +3 more sources

Survey on real forms of the complex A2(2)-Toda equation and surface theory

open access: yesComplex Manifolds, 2019
The classical result of describing harmonic maps from surfaces into symmetric spaces of reductive Lie groups [9] states that the Maurer-Cartan form with an additional parameter, the so-called loop parameter, is integrable for all values of the loop ...
Dorfmeister Josef F.   +3 more
doaj   +1 more source

Suboptimal controller design of global active noise control system for various acoustic environments

open access: yesScientific Reports, 2023
Conventional active noise control (ANC) systems in enclosed spaces are not easy to implement experimentally because they require a large number of microphones to measure sound pressure in global areas.
Ikchae Jeong, Youngjin Park
doaj   +1 more source

On the geometry of free loop spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2002
We verify the following three basic results on the free loop space LM. (1) We show that the set of all points, where the fundamental form on LM is nondegenerate, is an open subset.
P. Manoharan
doaj   +1 more source

Spectra of sigma models on semi-symmetric spaces

open access: yesNuclear Physics B, 2016
Sigma models on semi-symmetric spaces provide the central building block for string theories on AdS backgrounds. Under certain conditions on the global supersymmetry group they can be made one-loop conformal by adding an appropriate fermionic Wess–Zumino
Alessandra Cagnazzo   +2 more
doaj   +1 more source

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