Several papers have investigated sequences which have no k-term arithmetic progressions, finding bounds on their density and looking at sequences generated by greedy algorithms. Rankin in 1960 ...

Contrary to the assumptions of many previous theoretical models, group size has recently been shown in experiments to have an effect on the relative (as well as absolute) competitive abilities of ...

II AMONG the mathematical processes known to the Egyptians (for some few of which we have to go to the Berlin and Moscow papyri) were squaring and extraction of square roots, arithmetical progressions ...

IN serology and biochemistry it is a daily task to ascertain by so-called serial tests the effective dose of any substance; for example, to establish the titre of the agglutinating power of a serum, ...