Language:
EN
| Published:
28-09-2001
|
Abstract
| pp. 27-44
In the first part of the present paper we consider Ptolemaic inequality and give some necessary conditions for its solutions. The other part is devoted to solution of some functional equation which, simultaneously, satisfies the Ptolemaic inequality.
Language:
EN
| Published:
29-09-1995
|
Abstract
| pp. 137-140
In inner product spaces the Ptolemaic inequality (1) and the quadrilateral inequality (2) are well known. By using the identity (3), we derive here (2) from (1). The rest of the paper is devoted to some comments on (1), (2), (3).
1995-09-29
1 - 2 of 2 items
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English