Journal of Combinatorial Theory, Series A, Volume 26

Volume 26, Number 1, January 1979

Haim Hanani: A Class of Three-Designs. 1-19
Dieter Jungnickel: Regular Hjelmslev Planes. 20-37
Eiichi Bannai: On Tight Spherical Designs. 38-47
Agnes Hui Chan: Characterization of "Linegraph of an Affine Space". 48-64
Ernst Snapper: Characteristic Polynomials of a Permutation Representation. 65-81
Torleiv Kløve: On the No-Three-in-Line Problem, III. 82-83
Carol Tretkoff, Marvin Tretkoff: On a Theorem of Rimhak Ree about Permutations. 84-86
Ki Hang Kim, Fred W. Roush: A Conjecture of Recski in Combinatorial Set Theory. 87-89
William M. Kantor: Locally Polar Lattices. 90-95

Joseph P. S. Kung: The Radon Transforms of a Combinatorial Geometry, I. 97-102
Luc Teirlinck: On Steiner Spaces. 103-114
Imre Bárány: On a Class of Balancing Games. 115-126
N. L. Johnson: The Translation Planes of Order 16 That Admit PSL(2, 7). 127-134
David E. Daykin: The Number of Meets between Two Subsets of a Lattice. 135-156
Eiichi Bannai: On Some Spherical t-Designs. 157-161
M. L. Livingston: An Ordered Version of the Erdös-Ko-Rado Theorem. 162-165
Robert L. Miller: Minimal Codes in Abelian Group Algebras. 166-178
Jean-Claude Bermond, Anne Germa, Dominique Sotteau: Resolvable Decomposition of K_n. 179-185
Frederick J. Fuglister: A Note on Chaos. 186-188
James A. Deddens: A Combinatorial Identity Involving Relatively Prime Integers. 189-192
A. Yanushka: A Restriction on the Parameters of a Suboctagon. 193-196
Béla Bollobás: Helly Families of Maximal Size. 197-200
E. T. Parker, Gerald A. Dyer: A Problem with Permutations, I. 201
C. Greene: Some Results on Sperner Families. 202-209
Andrew M. Odlyzko, N. J. A. Sloane: New Bounds on the Number of Unit Spheres That Can Touch a Unit Sphere in n Dimensions. 210-214

Keith R. Milliken: A Ramsey Theorem for Trees. 215-237
Jerome L. Paul: Partitioning the Lattice Points in Rⁿ. 238-248
Sue Whitesides: Collineations of Projective Planes of Order 10, Part I. 249-268
Sue Whitesides: Collineations of Projective Planes of Order 10, Part II. 269-277
Andries E. Brouwer: Optimal Packings of K₄'s into a K_n. 278-297
R. H. F. Denniston: Further Cases of Double Resolvability. 298-303
James W. Reilly: A Combinatorial Solution of Two Related Problems in Sequence Enumeration. 304-307
Ira M. Gessel, Da-Lun Wang: Depth-First Search as a Combinatorial Correspondence. 308-313
Ronald C. Mullin, Charles Curtis Lindner: Lower Bounds for Maximal Partial Parallel Classes in Steiner Systems. 314-318
Jack Giles Jr.: Infinite-Level Replicating Dissections of Plane Figures. 319-327
Jack Giles Jr.: Construction of Replicating Superfigures. 328-334
Jack Giles Jr.: Superfigures Replicating with Polar Symmetry. 335-337