Relevant bibliographies by topics / Non-compact problems

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Non-compact problems'

Author: Grafiati
Published: 14 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Non-compact problems"

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Ellis, John, K. Enqvist, and D. V. Nanopoulos. "Non-compact supergravity solves problems." Physics Letters B 151, no. 5-6 (1985): 357–62. http://dx.doi.org/10.1016/0370-2693(85)91654-5.

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Cavalier, L. "Inverse problems with non-compact operators." Journal of Statistical Planning and Inference 136, no. 2 (2006): 390–400. http://dx.doi.org/10.1016/j.jspi.2004.06.063.

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Hofmann, Bernd, and G. Fleischer. "Stability Rates for Linear Ill-Posed Problems with Compact and Non-Compact Operators." Zeitschrift für Analysis und ihre Anwendungen 18, no. 2 (1999): 267–86. http://dx.doi.org/10.4171/zaa/881.

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Gajic, Ljiljana. "On some optimization problems in not necessarily locally convex space." Yugoslav Journal of Operations Research 18, no. 2 (2008): 167–72. http://dx.doi.org/10.2298/yjor0802167g.

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In this note, by using O. Hadzic's generalization of a fixed point theorem of Himmelberg, we prove a non - cooperative equilibrium existence theorem in non - compact settings and a generalization of an existence theorem for non - compact infinite optimization problems, all in not necessarily locally convex spaces.
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O'Regan, Donal. "Boundary value problems on noncompact intervals." Proceedings of the Royal Society of Edinburgh: Section A Mathematics 125, no. 4 (1995): 777–99. http://dx.doi.org/10.1017/s0308210500030341.

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Damag, Faten H., Amin Saif та Adem Kiliçman. "φ−Hilfer Fractional Cauchy Problems with Almost Sectorial and Lie Bracket Operators in Banach Algebras". Fractal and Fractional 8, № 12 (2024): 741. https://doi.org/10.3390/fractalfract8120741.

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In the theory of Banach algebras, we use the Schauder fixed-point theorem to obtain some results that concern the existence property for mild solutions of fractional Cauchy problems that involve the Lie bracket operator, the almost sectorial operator, and the φ−Hilfer derivative operator. For any Banach algebra and in two types of non-compact associated semigroups and compact associated semigroups, we prove some properties of the existence of these mild solutions using the Hausdorff measure of a non-compact associated semigroup in the collection of bounded sets. That is, we obtain the existenc
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Aussel, Didier, and Asrifa Sultana. "Quasi-variational inequality problems with non-compact valued constraint maps." Journal of Mathematical Analysis and Applications 456, no. 2 (2017): 1482–94. http://dx.doi.org/10.1016/j.jmaa.2017.06.034.

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Wang, Xiangsheng. "Elliptic boundary value problem on non-compact G-manifolds." International Journal of Mathematics 28, no. 04 (2017): 1750025. http://dx.doi.org/10.1142/s0129167x17500252.

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In this paper, an equality between the Hochs–Mathai type index and the Atiyah–Patodi–Singer type index is established when the manifold and the group action are both non-compact, which generalizes a result of Ma and Zhang for compact group actions. As a technical preparation, a problem concerning the Fredholm property of the global elliptic boundary value problems of the Atiyah–Patodi–Singer type on a non-compact manifold is studied.
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Singh, Vishal, Hossain Chizari, and Farzad Ismail. "Non-unified Compact Residual-Distribution Methods for Scalar Advection–Diffusion Problems." Journal of Scientific Computing 76, no. 3 (2018): 1521–46. http://dx.doi.org/10.1007/s10915-018-0674-1.

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Rahaman, Mijanur, and Rais Ahmad. "Weak and strong mixed vector equilibrium problems on non-compact domain." Journal of the Egyptian Mathematical Society 23, no. 2 (2015): 352–55. http://dx.doi.org/10.1016/j.joems.2014.06.007.

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Dissertations / Theses on the topic "Non-compact problems"

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Secchi, Simone. "Nonlinear Differential Equations on Non-Compact Domains." Doctoral thesis, SISSA, 2002. http://hdl.handle.net/20.500.11767/4312.

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Kapanadze, David, and Bert-Wolfgang Schulze. "Boundary value problems on manifolds with exits to infinity." Universität Potsdam, 2000. http://opus.kobv.de/ubp/volltexte/2008/2572/.

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We construct a new calculus of boundary value problems with the transmission property on a non-compact smooth manifold with boundary and conical exits to infinity. The symbols are classical both in covariables and variables. The operators are determined by principal symbol tuples modulo operators of lower orders and weights (such remainders are compact in weighted Sobolev spaces). We develop the concept of ellipticity, construct parametrices within the algebra and obtain the Fredholm property. For the existence of Shapiro-Lopatinskij elliptic boundary conditions to a given elliptic operator we
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Sauvy, Paul. "Étude de quelques problèmes elliptiques et paraboliques quasi-linéaires avec singularités." Thesis, Pau, 2012. http://www.theses.fr/2012PAUU3020/document.

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Cette thèse s’inscrit dans le domaine mathématique de l’analyse des équations aux dérivées partielles non-linéaires. Plus précisément, nous avons fait ici l’étude de problèmes quasi-linéaires singuliers. Le terme "singulier" fait référence à l’intervention d’une non-linéarité qui explose au bord du domaine où ’équation est posée. La présence d’une telle singularité entraîne un manque de régularité et donc de compacité des solutions qui ne nous permet pas d’appliquer directement les méthodes classiques de l’analyse non-linéaire pour démontrer l’existence de solutions et discuter des propriétés
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Wang, Simeng. "Some problems in harmonic analysis on quantum groups." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2062/document.

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Cette thèse étudie quelques problèmes d’analyse harmonique sur les groupes quantiques compacts. Elle consiste en trois parties. La première partie présente la théorie Lp élémentaire des transformées de Fourier, les convolutions et les multiplicateurs sur les groupes quantiques compacts, y compris la théorie de Hausdorff-Young et les inégalités de Young.Dans la seconde partie, nous caractérisons les opérateurs de convolution positifs sur un groupe quantique fini qui envoient Lp dans L2, et donnons aussi quelques constructions sur les groupes quantiques compacts infinis. La méthode pour étudier
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CARAFFA, BERNARD Daniela. "Equations aux dérivées partielles elliptiques du quatrième ordre avec exposants critiques de Sobolev sur les variétés riemanniennes avec et sans bord." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2003. http://tel.archives-ouvertes.fr/tel-00003179.

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L'objet de cette thèse est l'étude, sur les variétés riemanniennes compactes $(V_n,g)$ de dimension $n>4$, de l'équation aux dérivées partielles elliptique de quatrième ordre $$(E)\; \Delta^2u+\nabla [a(x)\nabla u] +h(x)u= f(x)|u|^(N-2)u$$ où $a$, $h$, $f$ sont fonction $C^\infty $, avec $f(x)$ fonction constante ou partout positive et $N=(2n\over((n-4)))$ est l'exposant critique. En utilisant la méthode variationnelle on prouve dans le théorème principal que l'équation $(E)$ admet une solution $C^((5,\alpha))(V)$ $0<\alpha<1$ non nulle si une certaine condition qui dépend de la meilleure cons
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Santos, Dionicio Pastor Dallos. "Resultados de existência para alguns problemas não lineares com valores na fronteira de equações diferenciais." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/45/45131/tde-05122017-131906/.

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O principal objetivo deste trabalho é estudar a existência de soluções para alguns problemas de valores de contorno de equações diferenciais ordinárias não lineares em dimensão finita e infinita. Todos os sistemas considerados nesta investigação são transformados em equações funcionais nas quais o objetivo é encontrar um ponto fixo de um oportuno operador definido em um espaço de funções (que depende do problema estudado). Para isso, faremos uso do grau de Leray-Schauder e de um conceito de grau topológico, devido a R. Nussbaum, para perturbações não compactas da identidade em espaços de Banac
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Hassani, Ali. "ÉQUATION DES ONDES SUR LES ESPACES SYMÉTRIQUES RIEMANNIENS DE TYPE NON COMPACT." Phd thesis, Université de Nanterre - Paris X, 2011. http://tel.archives-ouvertes.fr/tel-00669082.

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Ce mémoire porte sur l'étude des équations d'évolution sur des variétés à coubure non nulle, plus particulièrement l'équation des ondes sur les espaces symétriques riemanniens de type non compact. Des propriétés de dispersion des solutions du problème de Cauchy homogène sont démontrées. Ces propriétés sont ensuite utilisées pour établir des estimations dites estimations de Strichartz. L'examen de ces estimées permet de déduire que le problème de Cauchy non linéaire avec des non-linéarités de type puissance est globalement bien posé pour des données initiales petites et localement bien posé pou
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Yoerger, Edward J. Jr. "Vertical Acoustic Propagation in the Non-Homogeneous Layered Atmosphere for a Time-Harmonic, Compact Source." ScholarWorks@UNO, 2019. https://scholarworks.uno.edu/td/2709.

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In this work we study vertical, acoustic propagation in a non-homogeneous media for a spatially-compact, time-harmonic source. An analytical, 2-layer model is developed representing the acoustic pressure disturbance propagating in the atmosphere. The validity of the model spans the distance from the Earth's surface to 30,000 meters. This includes the troposphere (adiabatic), ozone layer (isothermal), and part of the stratosphere (isothermal). The results of the model derivation in the adiabatic region yield pressure solutions as Bessel functions of the First (J) and Second (Y) Kind of order $-
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Dinh, Van Duong. "Strichartz estimates and the nonlinear Schrödinger-type equations." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30247/document.

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Cette thèse est consacrée à l'étude des aspects linéaires et non-linéaires des équations de type Schrödinger [ i partial_t u + |nabla|^sigma u = F, quad |nabla| = sqrt {-Delta}, quad sigma in (0, infty).] Quand $sigma = 2$, il s'agit de l'équation de Schrödinger bien connue dans de nombreux contextes physiques tels que la mécanique quantique, l'optique non-linéaire, la théorie des champs quantiques et la théorie de Hartree-Fock. Quand $sigma in (0,2) backslash {1}$, c'est l'équation Schrödinger fractionnaire, qui a été découverte par Laskin (voir par exemple cite{Laskin2000} et cite{Laskin2002
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Book chapters on the topic "Non-compact problems"

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Bakelman, Ilya J. "Non-Compact Problems for Elliptic Solutions of Monge-Ampere Equations." In Convex Analysis and Nonlinear Geometric Elliptic Equations. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-69881-1_5.

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Mortini, Raymond, and Rudolf Rupp. "The algebras Cb(X, $$ \mathbb{K} $$ ) and C(X, $$ \mathbb{K} $$ ) on non-compact spaces." In Extension Problems and Stable Ranks. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73872-3_21.

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Keselman, D. G. "On the extremal boundary of convex compact measures which represent a non-regular point in choquet simplex." In Potential Theory Surveys and Problems. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/bfb0103357.

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Katchalov, A., Y. Kurylev, and M. Lassas. "Energy Measurements and Equivalence of Boundary Data for Inverse Problems on Non-Compact Manifolds." In Geometric Methods in Inverse Problems and PDE Control. Springer New York, 2004. http://dx.doi.org/10.1007/978-1-4684-9375-7_6.

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García-Escudero, Juan, and Miguel Lorente. "Highest Weight Unitary Modules for Non-Compact Groups and Applications to Physical Problems." In Symmetries in Science V. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3696-3_10.

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Anosova, Joanna, and Ludmila Kiseleva. "Chance and Non-Chance Clustering in the Universe and Problem of High Redshift Galaxies in Compact Groups." In Examining the Big Bang and Diffuse Background Radiations. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0145-2_65.

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"Non-compact Elliptic Problems." In Singularly Perturbed Methods for Nonlinear Elliptic Problems. Cambridge University Press, 2021. http://dx.doi.org/10.1017/9781108872638.002.

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Marinescu Liana and Coles Andrew. "Non-Deterministic Planning with Numeric Uncertainty." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2016. https://doi.org/10.3233/978-1-61499-672-9-1694.

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Uncertainty arises in many compelling real-world applications of planning. There is a large body of work on propositional uncertainty where actions have non-deterministic outcomes. However handling numeric uncertainty has been given less consideration. In this paper, we present a novel offline policy-building approach for problems with numeric uncertainty. In particular, inspired by the planner PRP, we define a numeric constraint representation that captures only relevant numeric information, supporting a more compact policy representation. We also show how numeric dead ends can be generalised
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Wahbi Mohamed and Brown Kenneth N. "A Distributed Asynchronous Solver for Nash Equilibria in Hypergraphical Games." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2016. https://doi.org/10.3233/978-1-61499-672-9-1291.

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Hypergraphical games provides a compact model of a network of self-interested agents, each involved in simultaneous subgames with its neighbors. The overall aim is for the agents in the network to reach a Nash Equilibrium, in which no agent has an incentive to change their response, but without revealing all their private information. Asymmetric Distributed constraint satisfaction (ADisCSP) has been proposed as a solution to this search problem. In this paper, we propose a new model of hypergraphical games as an ADisCSP based on a new global constraint, and a new asynchronous algorithm for sol
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Valvoda, V. "Texture effects in powder diffraction and their correction by simple empirical functions." In Defect and Microstructure Analysis by Diffraction. Oxford University PressOxford, 2000. http://dx.doi.org/10.1093/oso/9780198501893.003.0021.

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Abstract Non-random distribution of orientations of crystallites in powder specimens or compact polycrystalline samples can influence almost all accurate diffraction measurements. This affects mainly quantitative phase analysis and structure determination because both these methods are based on intensities of reflections from a randomly oriented assembly of particles. However, a strongly preferred orientation (texture) also causes problems in phase identification, stress measure-ments and profile analysis, especially in thin films. On the other hand, as has been pointed out by Bunge et al.(198
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Conference papers on the topic "Non-compact problems"

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Pole, Prith, and Vinod S. Agarwala. "Photostripping of Rotor Blades a Non-Hazardous Zero VOC Process." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06260.

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Abstract An environment-friendly method, Photostrip, for stripping organic coatings has been developed. This process works in conjunction with UV/IR light and an environmentally benign aqueous stripping medium that facilitates the debonding and peel-off of the coating from the coating/substrate interface. Generally, the stripped coating is obtained in a solid, compact mass. Further, the liquid effluent from the process is largely water, thus poses no disposal problems. This photochemical process has been tested on a variety of coatings including polyurethane, epoxy, acrylic, and lacquer formul
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Melhuish, Darren, John Wegand, and Michael Evans. "Coefficient of Friction, the Development of a Standard Portable Device for the US Naval Fleet." In SSPC 2007. SSPC, 2007. https://doi.org/10.5006/s2007-00061.

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Abstract Operational and maintenance requirements have required improved decking systems, particularly non-skid, to be incorporated within the US Navy. For those who have experienced rough seas and foul weather, the importance of good non-skid (or slip resistant) deck coverings on weather decks becomes very apparent. But what defines “good” may be easier to qualify rather than quantify. This is directly related to the methodologies employed to evaluate slip resistance of these surfaces and other deck systems. Numerous devices exist to measure the coefficient of friction (COF) for flooring, roa
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Agarwala, Vinod S., Krishnan Rajeshwar, and Prith Pole. "Photostrip: An Innovative Paint Stripping Technology." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03216.

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Abstract An environment-friendly method for stripping paint has been developed. This process works in conjunction with UV light and an environmentally benign aqueous stripping medium that facilitates the debonding and peel-off of the paint from the underlying substrate. Generally, the stripped paint is obtained in a solid, compact mass unlike in chemical stripping and PMB procedures. Further, the liquid effluent from the process is largely water, thus posing no disposal problems. This process has been tested with a variety of coatings including polyurethane, epoxy, acrylic, and lacquer formula
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Aineto, Diego, and Enrico Scala. "Action Model Learning with Guarantees." In 21st International Conference on Principles of Knowledge Representation and Reasoning {KR-2023}. International Joint Conferences on Artificial Intelligence Organization, 2024. http://dx.doi.org/10.24963/kr.2024/75.

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This paper studies the problem of action model learning with full observability. Following the learning by search paradigm by Mitchell, we develop a theory for action model learning based on version spaces that interprets the task as search for hypotheses that are consistent with the learning samples. Our theoretical findings are instantiated in an online algorithm that maintains a compact representation of all solutions of the problem. Among this range of solutions, we bring attention to action models approximating the actual transition system from below (sound models) and from above (complet
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Folloni, Nicolo, Mattia Monetti, Diego Carrera, et al. "An Improved Dynamic Compact Thermal Model for Non-Linear and Non-Homogeneous Heat Diffusion Problems." In 2020 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS). IEEE, 2020. http://dx.doi.org/10.1109/icecs49266.2020.9294947.

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Long, Guangqing, Xiaoyuan Huang, and Aimei Tan. "A Product Integration Method for Eigenvalue Problems of a Class of Non-compact Operators." In 2012 Eighth International Conference on Computational Intelligence and Security (CIS). IEEE, 2012. http://dx.doi.org/10.1109/cis.2012.91.

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Balint, Agneta M., Stefan Balint, and Robert Szabo. "Linear stability of a non slipping gas flow in a rectangular lined duct with respect to perturbations of the initial value by indefinitely differentiable disturbances having compact support." In 9TH INTERNATIONAL CONFERENCE ON MATHEMATICAL PROBLEMS IN ENGINEERING, AEROSPACE AND SCIENCES: ICNPAA 2012. AIP, 2012. http://dx.doi.org/10.1063/1.4765613.

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Verhaeghe, Hélène, Christophe Lecoutre, and Pierre Schaus. "Compact-MDD: Efficiently Filtering (s)MDD Constraints with Reversible Sparse Bit-sets." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/192.

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Multi-Valued Decision Diagrams (MDDs) are instrumental in modeling combinatorial problems with Constraint Programming.In this paper, we propose a related data structure called sMDD (semi-MDD) where the central layer of the diagrams is non-deterministic.We show that it is easy and efficient to transform any table (set of tuples) into an sMDD.We also introduce a new filtering algorithm, called Compact-MDD, which is based on bitwise operations, and can be applied to both MDDs and sMDDs.Our experimental results show the practical interest of our approach, both in terms of compression and filtering
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Sharova, Y. S., and D. S. Shidlovski. "Numerical study of radiatively cooling partially ionized plasma expansion in neutral environment." In 8th International Congress on Energy Fluxes and Radiation Effects. Crossref, 2022. http://dx.doi.org/10.56761/efre2022.s2-p-033502.

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Plasma physics is a vast area of physics, which includes both fundamental aspects, such as, for example, astrophysics, and more applied ones: new compact plasma accelerators, compact powerful sources of X-ray and gamma radiation, new promising, practically inexhaustible sources of clean energy due to controlled thermonuclear fusion, compact ion sources for cancer therapy and isotope sources for nuclear medicine. Currently, studies of non-stationary and non-equilibrium processes in pulsed plasma created under the influence of high-intensity energy flows on matter are topical. Energy flows of mu
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Wang, Ruiwei, and Roland H. C. Yap. "Bipartite Encoding: A New Binary Encoding for Solving Non-Binary CSPs." In Twenty-Ninth International Joint Conference on Artificial Intelligence and Seventeenth Pacific Rim International Conference on Artificial Intelligence {IJCAI-PRICAI-20}. International Joint Conferences on Artificial Intelligence Organization, 2020. http://dx.doi.org/10.24963/ijcai.2020/165.

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Constraint Satisfaction Problems (CSPs) are typically solved with Generalized Arc Consistency (GAC). A general CSP can also be encoded into a binary CSP and solved with Arc Consistency (AC). The well-known Hidden Variable Encoding (HVE) is still a state-of-the-art binary encoding for solving CSPs. We propose a new binary encoding, called Bipartite Encoding (BE) which uses the idea of partitioning constraints. A BE encoded CSP can achieve a higher level of consistency than GAC on the original CSP. We give an algorithm for creating compact bipartite encoding for non-binary CSPs. We present a AC
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