There are several causes of dry mouth: 1  Effects of certain medications. 2  Side effects of certain medical conditions, for example SjÃ¶gren's syndrome, and infections. 3  Side effect of certain medical treatments.  Nerve 1  damage. Dehydration.  Surgical removal of the salivary 1  glands. Lifestyle.
Euclidean geometry. Euclidean geometry is a mathematical system attributed to the Alexandrian Greek mathematician Euclid, which he described in his textbook on geometry: the Elements. Euclid's method consists in assuming a small set of intuitively appealing axioms, and deducing many other propositions (theorems) from these.
Chapter 5. Euclidean Distance Matrix. These results [(995)]were obtained by Schoenberg (1935), a surprisingly late. date for such a fundamental property of Euclidean geometry. âJohn Cliï¬ord Gower [178, Â§. 3] By itself, distance information between many points in Euclidean space is lacking.