Found 21 Documents (Results 1–21)
On the maximal number of columns of a \(\Delta \)-modular integer matrix: bounds and computations. (English) Zbl 07898861
On the column number and forbidden submatrices for \(\Delta\)-modular matrices. (English) Zbl 1538.90087
On circuit diameter bounds via circuit imbalances. (English) Zbl 1502.52013
Aardal, Karen (ed.) et al., Integer programming and combinatorial optimization. 23rd international conference, IPCO 2022, Eindhoven, The Netherlands, June 27–29, 2022. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 13265, 140-153 (2022).
On the maximal number of columns of a \(\varDelta \)-modular matrix. (English) Zbl 1497.90127
Aardal, Karen (ed.) et al., Integer programming and combinatorial optimization. 23rd international conference, IPCO 2022, Eindhoven, The Netherlands, June 27–29, 2022. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 13265, 29-42 (2022).
Total dual dyadicness and dyadic generating sets. (English) Zbl 1503.90072
Aardal, Karen (ed.) et al., Integer programming and combinatorial optimization. 23rd international conference, IPCO 2022, Eindhoven, The Netherlands, June 27–29, 2022. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 13265, 1-14 (2022).
Reviewer: Efstratios Rappos (Aubonne)
Box-total dual integrality, box-integrality, and equimodular matrices. (English) Zbl 1478.90103
Reviewer: Vladimír Lacko (Košice)
Improving proximity bounds using sparsity. (English) Zbl 1458.90478
Baïou, Mourad (ed.) et al., Combinatorial optimization. 6th international symposium, ISCO 2020, Montreal, QC, Canada, May 4–6, 2020. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 12176, 115-127 (2020).
MSC:
90C10
On proximity for \(k\)-regular mixed-integer linear optimization. (English) Zbl 1429.90044
Le Thi, Hoai An (ed.) et al., Optimization of complex systems: theory, models, algorithms and applications. Selected papers of the 6th world congress on global optimization (WCGO 2019), University of Lorraine, Metz, France, July 8–10, 2019. Cham: Springer. Adv. Intell. Syst. Comput. 991, 438-447 (2020).
On augmentation algorithms for linear and integer-linear programming: from Edmonds-Karp to bland and beyond. (English) Zbl 1330.90053
The number of nowhere-zero flows on graphs and signed graphs. (English) Zbl 1119.05105
Reviewer: Arnfried Kemnitz (Braunschweig)
Rational and integral \(k\)-regular matrices. (English) Zbl 1043.15011
Reviewer: Václav Burjan (Praha)
The incidence structure of subspaces with well-scaled frames. (English) Zbl 0657.05017
Reviewer: J.Lee
MSC:
05B35
The long-line graph of a combinatorial geometry. II: Geometries representable over two fields of different characteristics. (English) Zbl 0645.05026
Reviewer: J.P.S.Kung
MSC:
05B35
Subspaces with well-scaled frames. (English) Zbl 0675.90061
Reviewer: A.Bosznay
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