Torsion Free Subgroups of Fuchsian Groups and Tessalations of Surfaces.
Transitive Collineation Groups on Affine Planes.
Translation complements of C-planes: (IV).
Translation planes of even order in which the dimension has only one odd factor.
Translational hulls and block designs.
Translations and Axial Collineations of Affine Designs.
Translations of Symmetric and Complete Nets.
Translative packing of a square with sequences of squares
Let S be a square and let S' be a square of unit area with a diagonal parallel to a side of S. Any (finite or infinite) sequence of homothetic copies of S whose total area does not exceed 4/9 can be packed translatively into S'.
Transversal and cotransversal matroids via their representations.
Transversal designs and partitions associated with Frobenius groups.
Transversal lattices.
Transversals of rectangular arrays.
Triples, current graphs and biembeddings.
Twelfth power qualified residue difference sets.
Twisted projective spaces and linear completions of some partial Steiner triple systems.
Two analogues of a classical sequence.
Two Constructions of Oriented Matroids with Disconnected Extension Space.
Two improvements of a result concerning a problem of K. Zarankiewicz
Two interesting oriented matroids.
Two open problems on balanced block designs