The distance between sequences, Part I. Foundations M. Elizabeth Corey, Ph.D. UCSC Extension and UC Berkeley Extension.
BMS scolloquium
notes on ergodic theory
rudolf steiner
Simplicial structures on train tracks Fedor Duzhin, Nanyang Technological University, Singapore.
Parallelisms of PG(3,5) with automorphisms of order 13
Symmetry in Graphs