Search results for " mani"

showing 10 items of 623 documents

Isotopy classes of diffeomorphisms of (k-1)-connected almost-parallelizable 2k-manifolds

1979

Homotopy groupExact sequencePure mathematicsParallelizable manifoldNormal bundleIsotopyMathematics
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Modelling, Identification and Control of a 5-DOF Shotcrete Robot : Development of a Framework for Automatic Application of Shotcrete for AMV 4200H

2019

Master's thesis Mechatronics MAS500 - University of Agder 2019 Today, process automation is the primary area of development in the shotcrete industry. Automaticshotcrete operations can yield an increase in operational efficiency and personnel safety as well asreductions in cost and environmental impact. This thesis develops a framework for automaticapplication of shotcrete using the AMV 4200H and provides an automatic spraying mode usinginteroceptive sensing. The shotcrete vehicle is equipped with a five degrees-of-freedom manipulatorand is currently operated manually. Our contributions include solving the forward kinematicsthrough the Denavit-Hartenberg convention, and the inverse kinemati…

Human-Machine InterfaceVDP::Teknologi: 500::Informasjons- og kommunikasjonsteknologi: 550::Teknisk kybernetikk: 553KinematicsShotcrete MachineHardware-In-the-Loop SimulationControlMAS5005-Degree-of-Freedom ManipulatorTrajectory Generation
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Boundary Behavior of Harmonic Functions on Gromov Hyperbolic Manifolds

2013

Hyperbolic groupGeneral MathematicsHyperbolic functionMathematical analysista111Systolic geometryHyperbolic manifoldBoundary (topology)Relatively hyperbolic groupCalderón–Stein theoremHarmonic functionGromov hyperbolic manifoldsharmonic functionsHyperbolic equilibrium pointMathematicsInternational Mathematics Research Notices
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Total curvatures of convex hypersurfaces in hyperbolic space

1999

We give sharp upper estimates for the difference circumradius minus inradius and for the angle between the radial vector (respect to the center of an inball) and the normal to the boundary of a compact $h$-convex domain in the hyperpolic space. We apply these estimates to get the limit at the infinity for the quotients Volume/Area and (Total $k$-mean curvature)/Area of a family of $h$-convex domains which expand over the whole space. The theorem for the first quotient gives an extension to arbitrary dimension of a result of Santalo and Yanez for the hyperbolic plane.

Hyperbolic groupGeneral MathematicsHyperbolic spaceHyperbolic 3-manifoldMathematical analysisHyperbolic angleMathematics::Metric GeometryHyperbolic manifoldUltraparallel theoremHyperbolic triangleRelatively hyperbolic groupMathematicsIllinois Journal of Mathematics
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THE HOROSPHERICAL GEOMETRY OF SUBMANIFOLDS IN HYPERBOLIC SPACE

2005

Some geometrical properties associated to the contact of submanifolds with hyperhorospheres in hyperbolic -space are studied as an application of the theory of Legendrian singularities.

Hyperbolic groupGeneral MathematicsHyperbolic spaceMathematical analysisHyperbolic 3-manifoldHyperbolic manifoldUltraparallel theoremGeometryHyperbolic motionMathematics::Geometric TopologyRelatively hyperbolic groupMathematics::Differential GeometryMathematics::Symplectic GeometryHyperbolic triangleMathematicsJournal of the London Mathematical Society
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Non-equivalent hyperbolic knots

2002

We construct, for each integer n 3, pairs of non-equivalent hyperbolic knots with the same 2fold and n-fold cyclic branched covers. We also discuss necessary conditions for such pairs of knots to exist.  2001 Elsevier Science B.V. All rights reserved. MSC: primary 57M25; secondary 57M12, 57M50

Hyperbolic knotsPure mathematicsQuantitative Biology::BiomoleculesCyclic branched coversHyperbolic groupSkein relationHyperbolic 3-manifoldOrbifoldsHyperbolic manifoldVolume conjectureMathematics::Geometric TopologyBonahon–Siebenmann decompositionKnot theoryAlgebraIntegerGeometry and TopologyMathematicsTopology and its Applications
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BlockSee: Blockchain for IoT video surveillance in smart cities

2018

The growing demand for safety in urban environments is supported by monitoring using video surveillance. The need to analyze multiple video-flows from different cameras deployed around the city by heterogeneous owners introduces vulnerabilities and privacy issues. Video frames, timestamps, and camera settings can be digitally manipulated by malicious users; the positions of cameras, their orientation and their mechanical settings can be physically manipulated. Digital and physical manipulations may have several effects, including the change of the observed scene and the potential violation of neighbors' privacy. To face these risks, we introduce BlockSee, a blockchain-based video surveillan…

Immutabilityblockchain video surveillance privacyBlockchainbusiness.industryPHYSICAL MANIPULATIONSComputer scienceOrientation (computer vision)Settore ING-INF/03 - TelecomunicazioniComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION020207 software engineeringMonitoring system02 engineering and technologyComputer securitycomputer.software_genreFace (geometry)0202 electrical engineering electronic engineering information engineering020201 artificial intelligence & image processingTimestampInternet of Thingsbusinesscomputer
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Molte Palermo. Temi

2019

Nel tema delle incompiute idee di città possibili si riconoscerà il paradigma connotativo dello stesso divenire di Palermo, lungo un percorso millenario di processi di trasformazione nessuno dei quali portato a compimento, in virtù di quel valore distintivo di exemplum che non necessita di ulteriori e conclusive dimostrazioni. Il corso della storia, del resto, ha imposto a Palermo il ciclico riproporsi di destini interrotti. Tale si rilevò l’invenzione della città capitale, quella della “quadratura geometrica e della croce di strade” sovrimpressa a quella archetipica e fondativa della Pan-ormos scambiatrice. E l’incompiutezza sarà il tratto distintivo della città dei rettifili stradali otto…

In the theme of unfinished ideas of possible cities will recognize the connotative paradigm of the evolution of Palermo will be recognised along a thousand year path of transformational processes none of which was completed by virtue of the distinctive value of exemplum that does not require additional and conclusive demonstrations. The course of history has moreover imposed on Palermo a cyclical recurrence of broken destinies. This was evidence of the invention of the capital city that of the “geometric square and the cross roads” superimposed on the archetypal underpinning of Pan-ormos as a place of exchange. And incompleteness will be the hallmark of the city of the nineteenth century straight roads heading towards undefined destinations the symptomatic expression of the idea of a preordained effect of suspension. Similarly unfinished will be the Palermo of the redevelopment plans in the nineteenth and twentieth centuries upto the shapeless development of the contemporary city and the new arterial routes (the Circonvallazione) manifestations of further “Palermo as abstraction” ever more distant from “Palermo as places”. A city ultimately characterized by continuous metamorphoses replacement of values absorptions oblivion and cultural desecration. From this distance one can indeed observe Palermo from a marginal and peripherical point of view as regards its urban limits opening up a different prospect penetrating and maybe even superior able to understand facts and phenomena in depth.Settore ICAR/14 - Composizione Architettonica E Urbana
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Continuous spectrum for a two phase eigenvalue problem with an indefinite and unbounded potential

2020

Abstract We consider a two phase eigenvalue problem driven by the ( p , q ) -Laplacian plus an indefinite and unbounded potential, and Robin boundary condition. Using a modification of the Nehari manifold method, we show that there exists a nontrivial open interval I ⊆ R such that every λ ∈ I is an eigenvalue with positive eigenfunctions. When we impose additional regularity conditions on the potential function and the boundary coefficient, we show that we have smooth eigenfunctions.

Indefinite unbounded potentialPure mathematicsNehari manifoldApplied Mathematics010102 general mathematicsContinuous spectrumBoundary (topology)Function (mathematics)Robin boundary conditionMathematics::Spectral TheoryEigenfunction01 natural sciences(pq)-LaplacianRobin boundary condition010101 applied mathematicsSettore MAT/05 - Analisi MatematicaLagrange multiplier rule0101 mathematicsSobolev embedding theoremNehari manifoldLaplace operatorAnalysisEigenvalues and eigenvectorsMathematicsJournal of Differential Equations
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Il nodo del Mezzogiorno. Dalla desertificazione industriale allo sviluppo possibile. quali politiche ?

2015

La crisi internazionale ha trascinato con se oltre un terzo del tessuto manifatturiero del Mezzogiorno. Ma alla base della crisi, e di quella che si configura come una autentica "desertificazione"industriale vi è l'assenza di una efficace politica di sviluppo. Il lavoro mette in luce le criticità strutturali, ad un tempo economiche ed istituzionali, e propone alcune linee di nuove politiche industriali.

Industria manifatturieraPolitiche industrialiMezzogiorno
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