Talk:Quasi-metric
From Encyclopedia of Mathematics
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Definition
The citation Schroeder (2006) gives an different definition of quasi-metric [1]:
- $d(x,y) \ge 0$ and $=0$ iff $x=y$ (positive definite);
- $d(x,y) = d(y,x)$ (symmetric);
- there is a constant $K \ge 1$ such that $d(x,y) \le K \max\{d(x,z),d(z,x)\}$.
Richard Pinch (talk) 20:36, 6 March 2016 (CET)
How to Cite This Entry:
Quasi-metric. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Quasi-metric&oldid=37707
Quasi-metric. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Quasi-metric&oldid=37707