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ORCIDJournal of Combinatorial Theory, Series A, Volume 12
Volume 12, Number 1, January 1972
- Larry S. Johnson, Verne J. Varineau:
On Quasi-conjugate N-tuples of Matrices. 1-13 - N. G. de Bruijn:
Enumeration of Mapping Patterns. 14-20 - Oliver Aberth:
Tensor Representation of Finite Groups. 21-30 - Raymond Quenneau:
Sur les Suites s-additives. 31-71 - John Riordan, Paul R. Stein:
Arrangements on Chessboards. 72-80 - John C. Gower, Donald A. Preece:
Generating Successive Incomplete Blocks with Each Pair of Elements in at Least One Block. 81-97 - H. J. Ryser:
Symmetric Designs and Related Configurations. 98-111 - Jennifer Wallis:
On Integer Matrices Obeying Certain Matrix Equations. 112-118 - Vera Pless:
Symmetry Codes over GF(3) and New Five-Designs. 119-142 - H. L. Abbott, Denis Hanson:
Lower Bounds for Certain Types of van der Waerden Numbers. 143-146 - J. Csima, B. N. Datta:
The DAD Theorem for Symmetric Non-negative Matrices. 147-152 - Harold Fredricksen:
Generation of the Ford Sequence of Length 2n, n Large. 153-154 - Russell Merris, Stephen Pierce:
The Bell Numbers and r-fold Transitivity. 155-157
Volume 12, Number 2, March 1972
- Elwyn R. Berlekamp, Frank K. Hwang:
Constructions for Balanced Howell Rotations for Bridge Tournaments. 159-166 - Georges Hansel:
Complexes et Décompositions Binomiales. 167-183 - Haim Hanani:
On Balanced Incomplete Block Designs with Blocks Having Five Elements. 184-201 - Yu. M. Voloshin:
Enumeration of Function Compositions. 202-216 - Vasanti N. Bhat:
Non-Isomorphic Solutions of Some Balanced Incomplete Block Designs II. 217-224 - Vasanti N. Bhat:
Non-Isomorphic Solutions of Some Balanced Incomplete Block Designs III. 225-252 - Heiko Harborth:
Solution of Steinhaus's Problem with Plus and Minus Signs. 253-259 - Vasanti N. Bhat:
On Inequivalent Balanced Incomplete Block Designs II. 260-267 - Stanley E. Payne:
On the Non-Existence of a Class of Configurations Which Are Nearly Generalized n-Gons. 268-282 - Darald J. Hartfiel, J. W. Crosby:
A Lower Bound for the Permanent on Un(k, k). 283-288 - W. A. J. Luxemburg:
On an Inequality of A. Khintchine for Zero-One Matrices. 289-296 - Roy B. Levow:
Lower Bounds for Permanents of Incidence Matrices. 297-303 - Jack E. Graver:
A Characterization of Symmetric Block Designs. 304-308
Volume 12, Number 3, May 1972
- William G. Bridges:
A Note on Generalized (n, K, lambda)-Systems. 311-315 - John Wesley Brown:
An Extension of Mann's Theorem to a Triple of Mutually Orthogonal Latin Squares of Order 10. 316-318 - Richard J. Turyn:
An Infinite Class of Williamson Matrices. 319-321 - R. G. Stanton, Joseph Douglas Horton:
A Multiplication Theorem for Room Squares. 322-325 - Douglas G. Kelly:
A Condition Equivalent to Ferromagnetism for a Generalized Ising Model. 326-331 - K. B. Reid, Ezra Brown:
Doubly Regular Tournaments are Equivalent to Skew Hadamard Matrices. 332-338 - Federico M. Sioson:
Counting Elements in Semigroups. 339-345 - J. Csima:
Restricted Patterns. 346-356 - J. Justin:
Généralisation du Théorème de van der Waerden sur les Semi-groupes Répétitifs. 357-367 - Edward A. Bertram:
Even Permutations as a Product of Two Conjugate Cycles. 368-380 - H. L. Abbott, Denis Hanson, Norbert Sauer:
Intersection Theorems for Systems of Sets. 381-389 - William O. Alltop:
An Infinite Class of 5-Designs. 390-395 - C. C. Chang:
A Partition Theorem for the Complete Graph on omegaomega. 396-452 - Leon Gerber:
Spheres Tangent to All the Faces of a Simplex. 453-456
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