Bibliografie tematiche / Packing-covering

Letteratura scientifica selezionata sul tema "Packing-covering"

Autore: Grafiati

Pubblicato: 15 settembre 2021

Ultima modifica: 7 febbraio 2022

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Articoli di riviste sul tema "Packing-covering":

Ghosh, S. K., e P. E. Haxell. "Packing and covering tetrahedra". Discrete Applied Mathematics 161, n. 9 (giugno 2013): 1209–15. http://dx.doi.org/10.1016/j.dam.2010.05.027.

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Chang, Gerard J., e George L. Nemhauser. "Covering, Packing and Generalized Perfection". SIAM Journal on Algebraic Discrete Methods 6, n. 1 (gennaio 1985): 109–32. http://dx.doi.org/10.1137/0606012.

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Cohen, G., I. Honkala, S. Litsyn e P. Sole. "Long packing and covering codes". IEEE Transactions on Information Theory 43, n. 5 (1997): 1617–19. http://dx.doi.org/10.1109/18.623161.

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Alon, Noga, Yair Caro e Raphael Yuster. "Packing and covering dense graphs". Journal of Combinatorial Designs 6, n. 6 (1998): 451–72. http://dx.doi.org/10.1002/(sici)1520-6610(1998)6:6<451::aid-jcd6>3.0.co;2-e.

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Hojny, Christopher. "Packing, partitioning, and covering symresacks". Discrete Applied Mathematics 283 (settembre 2020): 689–717. http://dx.doi.org/10.1016/j.dam.2020.03.002.

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McDonald, Jessica, Gregory J. Puleo e Craig Tennenhouse. "Packing and Covering Directed Triangles". Graphs and Combinatorics 36, n. 4 (11 aprile 2020): 1059–63. http://dx.doi.org/10.1007/s00373-020-02167-8.

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Lonc, Zbigniew. "Majorization, packing, covering and matroids". Discrete Mathematics 121, n. 1-3 (ottobre 1993): 151–57. http://dx.doi.org/10.1016/0012-365x(93)90548-8.

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Chee, Yeow Meng, Charles J. Colbourn, Alan C. H. Ling e Richard M. Wilson. "Covering and packing for pairs". Journal of Combinatorial Theory, Series A 120, n. 7 (settembre 2013): 1440–49. http://dx.doi.org/10.1016/j.jcta.2013.04.005.

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Kwon, O.-joung, e Jean-Florent Raymond. "Packing and Covering Induced Subdivisions". SIAM Journal on Discrete Mathematics 35, n. 2 (gennaio 2021): 597–636. http://dx.doi.org/10.1137/18m1226166.

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Gai, Ling, e Guochuan Zhang. "Hardness of lazy packing and covering". Operations Research Letters 37, n. 2 (marzo 2009): 89–92. http://dx.doi.org/10.1016/j.orl.2008.12.007.

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Tesi sul tema "Packing-covering":

Bezdek, Andras. "Packing and covering problems /". The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487266691095136.

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Chen, Zhibin, e 陳智斌. "On various packing and covering problems". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43085520.

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Chen, Zhibin. "On various packing and covering problems". Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43085520.

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Stardom, John. "Metaheuristics and the search for covering and packing arrays". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ61608.pdf.

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Chang, Engder. "Neural computing for minimum set covering and gate-packing problems". Case Western Reserve University School of Graduate Studies / OhioLINK, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=case1056655652.

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Nielsen, Torben Noerup. "Combinatorial Bin Packing Problems". Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187536.

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Abstract (sommario):

In the past few years, there has been a strong and growing interest in evaluating the expected behavior of what we call combinatorial bin packing problems. A combinatorial bin packing problem consists of a number of items of various sizes and value ratios (value per unit of size) along with a collection of bins of fixed capacity into which the items are to be packed. The packing must be done in such a way that the sum of the sizes of the items into a given bin does not exceed the capacity of that bin. Moreover, an item must either be packed into a bin in its entirety or not at all: this "all or nothing" requirement is why these problems are characterized as being combinatorial. The objective of the packing is to optimize a given criterion Junction. Here optimize means either maximize or minimize, depending on the problem. We study two problems that fit into this framework: the Knapsack Problem and the Minimum Sum of Squares Problem. Both of these problems are known to be in the class of NP-hard problems and there is ample reason to suspect that these problems do not admit of efficient exact solution. We obtain results concerning the performance of heuristics under the assumption that the inputs are random samples from some distribution. For the Knapsack Problem, we develop four heuristics, two of which are on-line and two off-line. All four heuristics are shown to be asymptotically optimal in expectation when the item sizes and value ratios are assumed to be independent and uniform. One heuristic is shown to be asymptotically optimal in expectation when the item sizes are uniformly distributed and the value ratios are exponentially distributed. The amount of time required by these heuristics is no more than proportional to the amount of time required to sort the items in order of nonincreasing value ratios. For the Minimum Sum of Squares Problem, we develop two heuristics, both of which are off-line. Both of these heuristics are shown to be asymptotically optimal in expectation when the sizes of the items input are assumed uniformly distributed.

許眞眞 e Zhenzhen Xu. "A min-max theorem on packing and covering cycles in graphs". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2002. http://hub.hku.hk/bib/B31226966.

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Xu, Zhenzhen. "A min-max theorem on packing and covering cycles in graphs /". Hong Kong : University of Hong Kong, 2002. http://sunzi.lib.hku.hk/hkuto/record.jsp?B25155301.

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Bossenger, Wayne. "2D irregular strip packing at Kohler signs". Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/96129.

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Abstract (sommario):

Thesis (MCom)--Stellenbosch University, 2014.
ENGLISH ABSTRACT: Kohler Signs (PTY) Ltd is a sign production company located in Cape Town, South Africa. They manufacture and install signs for the City of Cape Town and private companies as well as manufacture advertisement signs to be placed on vehicles. Road signs consist of steel sheets that are cut and bent to the appropriate size and frame, and an image design, which is cut from re ective vinyl, are applied to the bent steel sheet. The image design consists of various letters, numbers and symbols which are categorised as irregular items. When these irregular items are combined in a distinctive way, with the use of di erent coloured vinyl, they convey a message to the road user which may be to yield for pedestrians crossing the street, or indicate to the road user the various highway exits that exist on the interchange ahead. These irregular items are placed upon re ective vinyl for cutting which results in vinyl o cuts that are wasted. The focus of this thesis is to minimise the waste incurred by placing these irregular items upon the vinyl in an optimal and timely manner for industry use. The vinyl printer, which cuts the irregular items out of the vinyl, consists of a xed width and is only limited in height by the vinyl itself. Thus, this problem may be described as a Two Dimensional Irregular Strip Packing Problem. These irregular items have only a few possible heights for each type of irregular item packed, which allows these irregular items to be packed as a level packing problem. The items are packed within levels as though they are regular items with the assistance of a prede ned rule-set. In this thesis various packing algorithms and image processing methodologies from the literature are researched and used to develop a new packing algorithm for this speci c problem. The newly developed algorithm is put through various benchmarks to test its performance. Some of these benchmarks are procured from Kohler Signs themselves, whereas others are randomly generated under certain conditions. These benchmarks reveal that the newly developed algorithm performs better for both the minimisation of waste and the minimisation of algorithm running time than the tried and trusted techniques utilised in industry by Kohler Signs.
AFRIKAANSE OPSOMMING: Kohler Signs (EDMS) Bpk is 'n padteken produksie maatskappy gele e in Kaapstad, Suid-Afrika. Hulle vervaardig en installeer tekens vir die Stad van Kaapstad en privaat maatskappye, sowel as advertensietekens wat op voertuie geplaas word. Padtekens bestaan uit staalplate wat gesny en gebuig word tot die toepaslike grootte en vorm. 'n Beeldontwerp, wat gesny is uit re ektiewe viniel, word vasgesit op die gebuigde staalplaat. Die beeldontwerp bestaan uit verskeie letters, getalle en simbole wat geklassi seer word as onre elmatige items. Wanneer hierdie onre elmatige items gekombineer word op 'n eiesoortige manier, met die gebruik van verskillende kleure viniel, dra hulle 'n boodskap oor aan die padgebruiker, soos byvoorbeeld om toe te gee aan voetgangers by 'n voetoorgang of dit dui aan die padgebruiker die verskillende snelweguitgange wat bestaan op die wisselaar wat voorl^e. Hierdie onre elmatige items word op re ektiewe viniel geplaas en uitgesny wat lei tot die vermorsing van stukkies viniel. Die fokus van hierdie tesis is om die onre elmatige items op 'n optimale en tydige wyse vir gebruik in industrie, op die viniel te plaas sodat die afval stukkies viniel geminimeer word. Die vinieldrukker, wat die onre elmatige items sny uit die viniel, bestaan uit 'n vaste wydte en is slegs beperk in hoogte deur die viniel self. Dus kan hierdie probleem beskryf word as 'n Twee-Dimensionele Onre elmatige Strookverpakkingsprobleem. Hierdie onre elmatige items het slegs 'n paar moontlike hoogtes vir elke tipe van onre elmatige item wat verpak word, wat dit moontlik maak om hierdie onre elmatige items te verpak as 'n strook verpakkingsprobleem. Die items word met behulp van 'n gede nieerde stel re els binne vlakke verpak asof hulle re elmatige items is. In hierdie tesis is verskeie verpakkingsalgoritmes en beeldverwerkingsmetodes van die literatuur nagevors en gebruik om 'n nuwe verpakkingsalgoritme vir hierdie spesi eke probleem te ontwikkel. Die nuut ontwikkelde algoritme se prestasie is deur middel van verskeie normbepalingsvoorbeelde getoets. Sommige van hierdie normbepalingsvoorbeelde is verkry van Kohler Signs self, terwyl ander lukraak gegenereer is onder sekere voorwaardes. Hierdie normbepalingsvoorbeelde toon dat die nuut ontwikkelde algoritme beter vaar as die beproefde tegnieke gebruik in industrie deur Kohler Signs vir beide die minimering van vermorsde viniel sowel as die minimering van die algoritme se uitvoertyd.

Song, Yongqiang. "Improved Approximation Algorithms for Geometric Packing Problems With Experimental Evaluation". Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4355/.

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Abstract (sommario):

Geometric packing problems are NP-complete problems that arise in VLSI design. In this thesis, we present two novel algorithms using dynamic programming to compute exactly the maximum number of k x k squares of unit size that can be packed without overlap into a given n x m grid. The first algorithm was implemented and ran successfully on problems of large input up to 1,000,000 nodes for different values. A heuristic based on the second algorithm is implemented. This heuristic is fast in practice, but may not always be giving optimal times in theory. However, over a wide range of random data this version of the algorithm is giving very good solutions very fast and runs on problems of up to 100,000,000 nodes in a grid and different ranges for the variables. It is also shown that this version of algorithm is clearly superior to the first algorithm and has shown to be very efficient in practice.

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Libri sul tema "Packing-covering":

Rogers, C. A. Packing and covering. Cambridge: Cambridge University Press, 2008.

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Böröczky, K. Finite packing and covering. Cambridge, UK: Cambridge University Press, 2004.

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Cornuejols, Gerard. Combinatorial optimization: Packing and covering. Philadelphia: Society for Industrial and Applied Mathematics, 2001.

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Gerardus Joannes Maria Van Wee. Covering codes, perfect codes, and codes from algebraic curves. Helmond [Netherlands]: Wibro Dissertatiedrukkerij, 1991.

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Sikirić, Mathieu Dutour. Random sequential packing of cubes. Singapore: World Scientific, 2011.

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Melissen, Johannes Bernardus Marinus. Packing and covering with circles =: Pakken en overdekken met cirkels : (met een samenvatting in het Nederlands). [S.l: s.n.], 1997.

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Zong, Chuanming. Sphere packings. New York: Springer, 1999.

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Martinet, Jacques. Les Réseaux parfaits des espaces euclidiens. Paris: Masson, 1996.

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Conway, John Horton. Sphere packings, lattices, and groups. 3^a ed. New York: Springer, 1999.

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Convegno italiano di geometria integrale, probabilità geometriche e corpi convessi (5th 1995 Milan, Italy). V Convegno italiano di geometria integrale, probabilità geometriche e corpi convessi: Milano, 19-22 aprile 1995. Palermo: Sede della società, 1996.

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Capitoli di libri sul tema "Packing-covering":

Blinovsky, Volodia. "Covering and Packing". In Asymptotic Combinatorial Coding Theory, 41–61. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-6193-4_3.

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Croft, Hallard T., Kenneth J. Falconer e Richard K. Guy. "Packing and Covering". In Unsolved Problems in Geometry, 107–30. New York, NY: Springer New York, 1991. http://dx.doi.org/10.1007/978-1-4612-0963-8_5.

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Diestel, Reinhard. "Matching Covering and Packing". In Graph Theory, 35–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-642-14279-6_2.

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Diestel, Reinhard. "Matching Covering and Packing". In Graph Theory, 35–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53622-3_2.

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Ahlswede, Rudolf. "Covering, Coloring, and Packing Hypergraphs". In Foundations in Signal Processing, Communications and Networking, 3–55. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-53139-7_1.

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Karakostas, George. "Fractional Packing and Covering Problems". In Encyclopedia of Algorithms, 326–29. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-30162-4_149.

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Mitchell, Joseph S. B., e Supantha Pandit. "Packing and Covering with Segments". In WALCOM: Algorithms and Computation, 198–210. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39881-1_17.

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Karakostas, George. "Fractional Packing and Covering Problems". In Encyclopedia of Algorithms, 778–82. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-2864-4_149.

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Karakostas, George. "Fractional Packing and Covering Problems". In Encyclopedia of Algorithms, 1–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-27848-8_149-2.

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Csirik, János, e Gerhard J. Woeginger. "On-line packing and covering problems". In Online Algorithms, 147–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0029568.

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Atti di convegni sul tema "Packing-covering":

Azar, Yossi, Umang Bhaskar, Lisa Fleischer e Debmalya Panigrahi. "Online Mixed Packing and Covering". In Proceedings of the Twenty-Fourth Annual ACM-SIAM Symposium on Discrete Algorithms. Philadelphia, PA: Society for Industrial and Applied Mathematics, 2013. http://dx.doi.org/10.1137/1.9781611973105.6.

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Gadouleau, Maximilien, e Zhiyuan Yan. "Packing and covering properties of subspace codes". In 2009 IEEE International Symposium on Information Theory - ISIT. IEEE, 2009. http://dx.doi.org/10.1109/isit.2009.5205292.

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Srinivasan, Aravind. "Improved approximations of packing and covering problems". In the twenty-seventh annual ACM symposium. New York, New York, USA: ACM Press, 1995. http://dx.doi.org/10.1145/225058.225138.

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Koufogiannakis, Christos, e Neal E. Young. "Beating Simplex for Fractional Packing and Covering Linear Programs". In 48th Annual IEEE Symposium on Foundations of Computer Science (FOCS'07). IEEE, 2007. http://dx.doi.org/10.1109/focs.2007.4389519.

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Young, N. E. "Sequential and parallel algorithms for mixed packing and covering". In Proceedings 42nd IEEE Symposium on Foundations of Computer Science. IEEE, 2001. http://dx.doi.org/10.1109/sfcs.2001.959930.

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Azar, Yossi, Niv Buchbinder, T.-H. Hubert Chan, Shahar Chen, Ilan Reuven Cohen, Anupam Gupta, Zhiyi Huang et al. "Online Algorithms for Covering and Packing Problems with Convex Objectives". In 2016 IEEE 57th Annual Symposium on Foundations of Computer Science (FOCS). IEEE, 2016. http://dx.doi.org/10.1109/focs.2016.24.

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Benko, Attila, Gyorgy Dosa e Zsolt Tuza. "Bin Packing/Covering with Delivery, solved with the evolution of algorithms". In 2010 IEEE Fifth International Conference on Bio-Inspired Computing: Theories and Applications (BIC-TA). IEEE, 2010. http://dx.doi.org/10.1109/bicta.2010.5645312.

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Mount, David, e Ruth Silverman. "Algorithms for covering and packing and applications to CAD/CAM (abstract only)". In the 15th annual conference. New York, New York, USA: ACM Press, 1987. http://dx.doi.org/10.1145/322917.323100.

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Megow, Nicole, e Julian Mestre. "Instance-sensitive robustness guarantees for sequencing with unknown packing and covering constraints". In the 4th conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2422436.2422490.

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Rapporti di organizzazioni sul tema "Packing-covering":

Balas, E., G. Cornuejols e J. N. Hooker. Covering, Packing and Logical Inference. Fort Belvoir, VA: Defense Technical Information Center, ottobre 1993. http://dx.doi.org/10.21236/ada274314.

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