Found 238 Documents (Results 1–100)
Progress towards the two-thirds conjecture on locating-total dominating sets. (English) Zbl 07919616
Extending a conjecture of Graham and Lovász on the distance characteristic polynomial. (English) Zbl 1539.05069
Scheduling to reduce close contacts: resolvable grid graph decomposition and packing. (English) Zbl 1530.92214
Thresholds for Latin squares and Steiner triple systems: bounds within a logarithmic factor. (English) Zbl 1520.05089
Row replicated block Cimmino. (English) Zbl 07713600
The existence of designs via iterative absorption: hypergraph \(F\)-designs for arbitrary \(F\). (English) Zbl 1515.05005
Memoirs of the American Mathematical Society 1406. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-6024-2/pbk; 978-1-4704-7444-7/ebook). v, 131 p. (2023).
Reviewer: V. Yegnanarayanan (Chennai)
Graph decomposition methods for variance balanced block designs with correlated errors. (English) Zbl 1495.62059
Association scheme with PBIB designs for minimum co-independent dominating sets of circulant graphs. (English) Zbl 1513.05046
Non-existence of quasi-symmetric designs with restricted block graphs. (English) Zbl 1487.05034
Reviewer: Paola Bonacini (Catania)
The semitotal domination problem in block graphs. (English) Zbl 1484.05155
Reviewer: Thanin Sitthiwirattham (Bangkok)
On the spectral radius of block graphs having all their blocks of the same size. (English) Zbl 1479.05196
Reviewer: Carlos M. da Fonseca (Safat)
On strongly regular designs admitting fusion to strongly regular decomposition. (English) Zbl 1536.05385
The alternating block decomposition of iterated integrals and cyclic insertion on multiple zeta values. (English) Zbl 1469.11318
Rank decomposition under zero pattern constraints and \(\mathsf{L}\)-free directed graphs. (English) Zbl 1464.15002
Cores of Ariki-Koike algebras. (English) Zbl 1498.20014
On the spectral radius of block graphs with prescribed independence number \(\alpha\). (English) Zbl 1459.05166
PBIB-designs and association schemes arising from minimum bi-connected dominating sets of hypercubes. (English) Zbl 1463.05371
Symmetries of biplanes. (English) Zbl 1462.05043
Reviewer: Julian Abel (Sydney)
GDDs with two associate classes and with three groups of sizes \(3,n\) and \(n\). (English) Zbl 1448.05021
Linear-time algorithms for three domination-based separation problems in block graphs. (English) Zbl 1440.05187
Constructions and uses of incomplete pairwise balanced designs. (English) Zbl 1429.05021
Reviewer: Peter Horák (Tacoma)
A short derivation of the structure theorem for graphs with excluded topological minors. (English) Zbl 1419.05199
Relating the total domination number and the annihilation number of cactus graphs and block graphs. (English) Zbl 1446.05068
Reviewer: Reinhardt Euler (Brest)
Relating the annihilation number and the 2-domination number of block graphs. (English) Zbl 1409.05149
Moore-Penrose inverse of incidence matrix of graphs with complete and cyclic blocks. (English) Zbl 1400.05153
Amalgamations and equitable block-colorings. (English) Zbl 1459.05271
Ghosh, Debdas (ed.) et al., Mathematics and computing. 4th international conference, ICMC 2018, Varanasi, India, January 9–11, 2018. Revised selected papers. Singapore: Springer. Commun. Comput. Inf. Sci. 834, 42-50 (2018).
Counting designs. (English) Zbl 1386.05015
Reviewer: Ioan Tomescu (Bucureşti)
PBIB-designs and association schemes arising from minimum bi-connected dominating sets of some special classes of graphs. (English) Zbl 1399.05163
Automorphisms of the Cameron’s monster with parameters \((6138, 1197, 156, 252)\). (Russian. English summary) Zbl 1448.05230
The strongly regular graph with parameters \((100,22,0,6)\): hidden history and beyond. (English) Zbl 1430.05137
Reviewer: Michael Barany (Edinburgh)
Restrained domination in some subclasses of chordal graphs. (English) Zbl 1383.05243
Sinha, Deepa (ed.) et al., International conference on current trends in graph theory and computation, CTGTC-2016, New Delhi, India, September 17–19, 2016. Amsterdam: Elsevier. Electronic Notes in Discrete Mathematics 63, 203-210 (2017).
A linear-time algorithm for the identifying code problem on block graphs. (English) Zbl 1441.05151
Bassino, Frédérique (ed.) et al., LAGOS 2017. Selected papers of the 9th Latin-American algorithms, graphs, and optimization symposium, Marseille, France, September 11–15, 2017. Amsterdam: Elsevier. Electron. Notes Discrete Math. 62, 249-254 (2017).
Probing equivalent definitions of 2-edge connected graphs. (Chinese. English summary) Zbl 1389.05086
Vertex intersection graphs of paths on a grid: characterization within block graphs. (English) Zbl 1371.05186
Good characterizations and linear time recognition for 2-probe block graphs. (English) Zbl 1369.05140
MSC:
05C51
Optimal resolvable \(2 \times c\) grid-block coverings. (English) Zbl 1373.05113
Reviewer: Charles J. Colbourn (Tempe)
PBIB-designs with \(m= 1, 2, 3, 4\) and \(\lfloor\frac{p}{2}\rfloor\) associated classes arising from \(\gamma_{cc}\)-sets of some special kind of graphs. (English) Zbl 1488.05339
The 3-GDDs of type \(g^3u^2\). (English) Zbl 1425.05021
Resolvable \((K_4 - e)\)-designs of order \(v\) and index \(\lambda\). (English) Zbl 1371.05029
Reviewer: Julian Abel (Sydney)
A construction and decomposition of orthogonal arrays with non-prime-power numbers of symbols on the complement of a Baer subplane. (English) Zbl 1348.51004
Reviewer: Steven T. Dougherty (Scranton)
Hamiltonicity and cycle extensions in 0-block-intersection graphs of balanced incomplete block designs. (English) Zbl 1343.05038
Reviewer: Vladimir D. Tonchev (Houghton)
On the existence of uniformly resolvable decompositions of \(K_v\) into 1-factors and \(h\)-suns. (English) Zbl 1342.05114
Proper orientation of cacti. (English) Zbl 1345.05023
On the minimum Kirchhoff index of graphs with a fixed number of cut vertices. (English) Zbl 1337.05067
On Hamiltonian colorings of block graphs. (English) Zbl 1479.05091
Kaykobad, Mohammad (ed.) et al., WALCOM: algorithms and computation. 10th international workshop, WALCOM 2016, Kathmandu, Nepal, March 29–31, 2016. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 9627, 28-39 (2016).
Canonical tree-decompositions of finite graphs. I: Existence and algorithms. (English) Zbl 1327.05269
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