Packing large balanced trees into bipartite graphs

dc.contributor.author
Fernandes, Cristina G.
dc.contributor.author
Naia, Tássio
dc.contributor.author
Santos, Giovanne
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Stein, Maya
dc.date.accessioned
2026-03-05T14:03:03Z
dc.date.available
2026-03-05T14:03:03Z
dc.date.issued
2025-12-01
dc.identifier.uri
https://hdl.handle.net/2072/489275
dc.description.abstract
We prove that for every gamma>0 there exists n(0)is an element of N such that for every n >= n(0) any family of up to n(1/2-gamma) trees having at most (1-gamma)n vertices in each bipartition class can be packed into K-n,K-n. As a tool for our proof, we show an approximate bipartite version of the Koml & oacute;s-S & aacute;rk & ouml;zy-Szemer & eacute;di Theorem, which we believe to be of independent interest. (c) 2025 Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
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dc.description.sponsorship
✩ This research was initiated at the first “ChiPaGra: Workshop Chileno Paulista em/en Grafos”, and was partially supported by the research project 2019/13364-7: “Extremal and Structural Problems in Graph Theory”, funded by FAPESP (The São Paulo Research Foundation) and ANID (Agencia Nacional de Investigación y Desarrollo). * Corresponding author. E-mail addresses: cris@ime.usp.br (C. G. Fernandes), tnaia@member.fsf.org (T. Naia), gsantos@dim.uchile.cl (G. Santos), mstein@dim.uchile.cl (M. Stein). 1 CGF acknowledges partial support by CNPq (Proc. 423833/2018-9 and 310979/2020-0). 2 TN was supported by the Grant PID2020-113082GB-I00 funded by MICIU/AEI/ 10.13039/501100011033. This work is supported by the Spanish State Research Agency, through the Severo Ochoa and María de Maeztu Program for Centers and Units of Excellence in R&D (CEX2020-001084-M). 3 GS was supported by ANID Doctorado Nacional 21221049. 4 MS is also affiliated to Centro de M
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dc.format.extent
8 p.
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dc.language.iso
eng
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dc.publisher
Elsevier
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dc.relation.ispartof
Discrete Mathematics
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dc.rights
Attribution 4.0 International
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dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
*
dc.source
RECERCAT (Dipòsit de la Recerca de Catalunya)
dc.subject.other
Tree packing
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dc.subject.other
Graph decomposition
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dc.subject.other
Balanced trees
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dc.title
Packing large balanced trees into bipartite graphs
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dc.type
info:eu-repo/semantics/article
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dc.subject.udc
51
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dc.description.version
info:eu-repo/semantics/publishedVersion
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dc.embargo.terms
cap
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dc.identifier.doi
10.1016/j.disc.2025.114641
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dc.rights.accessLevel
info:eu-repo/semantics/openAccess


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