The constructions of partially balanced incomplete block designs based on Kneser graphs.

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Title: The constructions of partially balanced incomplete block designs based on Kneser graphs.
Authors: Liang, Xiaoye1,2 (AUTHOR), Li, Bohan1 (AUTHOR), Qin, Yongbin1 (AUTHOR), Tan, Ying-Ying1,2 (AUTHOR) tansusan1@ahjzu.edu.cn
Source: Discrete Applied Mathematics. Aug2026, Vol. 389, p214-220. 7p.
Subjects: Block designs, Independent sets, Paths & cycles in graph theory, Combinatorial designs & configurations, Dominating set
Abstract: A partially balanced incomplete block design (PBIBD), defined on an association scheme, is a generalization of the combinatorial 2-design. This paper investigates the construction of PBIBDs based on subgraph structures within the Kneser graph. Specifically, three families of PBIBDs are introduced, with blocks derived from diametral paths, maximum independent sets, and minimal bi-connected dominating sets. It is demonstrated that each of these new constructions yields a PBIBD. [ABSTRACT FROM AUTHOR]
Copyright of Discrete Applied Mathematics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The constructions of partially balanced incomplete block designs based on Kneser graphs.
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  Data: <searchLink fieldCode="AR" term="%22Liang%2C+Xiaoye%22">Liang, Xiaoye</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Bohan%22">Li, Bohan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Qin%2C+Yongbin%22">Qin, Yongbin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tan%2C+Ying-Ying%22">Tan, Ying-Ying</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> tansusan1@ahjzu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Discrete+Applied+Mathematics%22">Discrete Applied Mathematics</searchLink>. Aug2026, Vol. 389, p214-220. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Block+designs%22">Block designs</searchLink><br /><searchLink fieldCode="DE" term="%22Independent+sets%22">Independent sets</searchLink><br /><searchLink fieldCode="DE" term="%22Paths+%26+cycles+in+graph+theory%22">Paths & cycles in graph theory</searchLink><br /><searchLink fieldCode="DE" term="%22Combinatorial+designs+%26+configurations%22">Combinatorial designs & configurations</searchLink><br /><searchLink fieldCode="DE" term="%22Dominating+set%22">Dominating set</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: A partially balanced incomplete block design (PBIBD), defined on an association scheme, is a generalization of the combinatorial 2-design. This paper investigates the construction of PBIBDs based on subgraph structures within the Kneser graph. Specifically, three families of PBIBDs are introduced, with blocks derived from diametral paths, maximum independent sets, and minimal bi-connected dominating sets. It is demonstrated that each of these new constructions yields a PBIBD. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of Discrete Applied Mathematics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.dam.2026.03.055
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 7
        StartPage: 214
    Subjects:
      – SubjectFull: Block designs
        Type: general
      – SubjectFull: Independent sets
        Type: general
      – SubjectFull: Paths & cycles in graph theory
        Type: general
      – SubjectFull: Combinatorial designs & configurations
        Type: general
      – SubjectFull: Dominating set
        Type: general
    Titles:
      – TitleFull: The constructions of partially balanced incomplete block designs based on Kneser graphs.
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            NameFull: Liang, Xiaoye
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            NameFull: Li, Bohan
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            NameFull: Qin, Yongbin
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            NameFull: Tan, Ying-Ying
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            – D: 15
              M: 08
              Text: Aug2026
              Type: published
              Y: 2026
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              Value: 0166218X
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              Value: 389
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