A set S of integers is said to be sum-free if a, b e 5 implies a + b 6 S. In this paper, we investigate two new problems on sum-free sets: (1) Let f(k) denote the largest positive integer for whichâ€¦ (More)

We reviewed 52 cases of osteomyelitis of the calcaneum. The clinical symptoms and signs were well defined, but different and less dramatic than those of long-bone osteomyelitis. Blood cultures wereâ€¦ (More)

Twelve new analogues of new tricyclic rufloxacin were prepared and their MIC were evaluated against thirteen kinds of bacteria. As a result of these studies: the polarity of C10-side chain was foundâ€¦ (More)

Oxidative degradation of decalcified bovine dentin matrix with alkaline sodium metaperiodate solubilizes a substantial part of the matrix. The soluble portion includes a fraction containing more thanâ€¦ (More)

Mathematical Mayhem began in 1988 as a Mathematical Journal for and by High School and University Students. I t c ontinues, with the same emphasis, as an integral part of Crux Mathematicorum withâ€¦ (More)