Vol. 20 No. 1 (2025)

Articles

• (G, s)-Transitive Graphs Of Valency 15

  Fateme Abedi, M. Reza Salarian

  1-11

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• Fair partitions of the plane into incongruent pentagons

  Dirk Frettlöh, Christian Richter

  12-18

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• On the double covers of a line graph.

  Shivani Chauhan, A.Satyanarayana Reddy

  19-35

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• The Involutive Double Coset Property for String C-groups of Affine Type

  Allen Herman, Roqayia Shalabi

  36-41

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• On Freiman-Lev conjecture

  Yujie Wang, Min Tang

  42-59

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• Congruences modulo powers of 3 for 6-colored generalized Frobenius partitions

  Dazhao Tang

  60-73

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• On the Directed Hamilton-Waterloo Problem with Two Cycle Sizes

  Fatih Yetgin, Uğur Odabaşı, Sibel Özkan

  74-94

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• Saved by the rook: a case of matchings and Hamiltonian cycles

  Marién Abreu, John Baptist Gauci, Jean Paul Zerafa

  95-104

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• The existence of hypersolids in $\mathbb{E}^d$ whose Heesch number is $d-1$

  Bojan Bašić, Anna Slivková

  105-116

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• The flag $f$- and $h$- vectors of generalized Square posets

  Jiaqian Lin, Lili Mu

  117-132

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