Results 11 to 20 of about 610,727 (313)

A product twistor space [PDF]

open access: yes, 2002
Summary: In previous work a hyperbolic twistor space over a paraquaternionic Kähler manifold was defined, the fibre being the hyperboloid model of the hyperbolic plane with constant curvature \(-1\). Two almost complex structures were defined on this twistor space and their properties studied.
Blair, David
openaire   +4 more sources

On Continuity in Minimal Structure Neutrosophic Topological Space [PDF]

open access: yesNeutrosophic Sets and Systems, 2022
In this paper, we introduce the notion of continuity via neutrosophic minimal structure space. Besides, we introduce the notion of product minimal space in neutrosophic topological space.
Gour Pal   +2 more
doaj   +1 more source

*-products on quantum spaces [PDF]

open access: yesThe European Physical Journal C, 2002
typos and references corrected, submitted to EPJC, 12 ...
Wachter, Hartmut, Wohlgenannt, Michael
openaire   +2 more sources

Cardinality Estimation in Inner Product Space

open access: yesIEEE Open Journal of the Computer Society, 2022
This article addresses the problem of cardinality estimation in inner product spaces. Given a set of high-dimensional vectors, a query, and a threshold, this problem estimates the number of vectors such that their inner products with the query are not ...
Kohei Hirata   +2 more
doaj   +1 more source

Energy Saving Thermal Management of Space Remote Sensor and Validation

open access: yesEnergies, 2023
An energy-efficient thermal control management method for space remote sensors using optical, mechanical, electrical, and thermal integration is proposed.
Pan Lu   +3 more
doaj   +1 more source

Emotion finds a way to users from designers: assessing product images to convey designer's emotion [PDF]

open access: yes, 2012
Along with a growing interest in emotional design and pleasurable products, it is necessary to understand how designers are able to maintain emotional impacts of their design solutions throughout the design process, and how these solutions can find a way
AOUSSAT, Améziane   +4 more
core   +1 more source

Families (of Products) in Space [PDF]

open access: yes2011 15th International Software Product Line Conference, 2011
NASA is developing plans for innovative and novel approaches to future (unmanned) space exploration missions. Future missions involve sending spacecraft and robots to harsh environments, where resilience is necessary for the survival of the mission. In addition, distances and communication lead times between the spacecraft and Earth necessitate much of
openaire   +1 more source

RANS-Based Modelling of Turbulent Flow in Submarine Pipe Bends: Effect of Computational Mesh and Turbulence Modelling

open access: yesJournal of Marine Science and Engineering, 2023
Pipe bend is a critical integral component, widely used in slurry pipeline systems involving various engineering applications, including natural gas hydrate production. The aim of this study is to assess the capability of RANS-based CFD models to capture
Qi Yang   +7 more
doaj   +1 more source

The Open Limit Point Compactness

open access: yesJournal of Kufa for Mathematics and Computer, 2014
In this paper, we gave a new topological concept and we called it the open limit point compactness.We have proved that each of the compactness, and the limit point compactness is stronger than of the open limit point compactness., that is, compactness ...
AbedalHamza Mahdi Hamza
doaj   +1 more source

Observing a changing Hilbert-space inner product

open access: yesPhysical Review Research, 2022
In quantum mechanics, physical states are represented by rays in Hilbert space H, which is a vector space imbued by an inner product 〈|〉, whose physical meaning arises as the overlap 〈ϕ|ψ〉 for |ψ〉 a pure state (description of preparation) and 〈ϕ| a ...
Salini Karuvade   +2 more
doaj   +1 more source

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