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・ Cauchy product
・ Cauchy sequence
・ Cauchy space
・ Cauchy stress tensor
・ Cauchy surface
・ Cauchy theorem
・ Cauchy's convergence test
・ Cauchy's equation
・ Cauchy's functional equation
・ Cauchy's inequality
・ Cauchy's integral formula
・ Cauchy's integral theorem
・ Cauchy's test
・ Cauchy's theorem (geometry)
・ Cauchy's theorem (group theory)
Cauchy-continuous function
・ Cauchy-à-la-Tour
・ Cauchy–Binet formula
・ Cauchy–Born rule
・ Cauchy–Euler equation
・ Cauchy–Euler operator
・ Cauchy–Hadamard theorem
・ Cauchy–Kowalevski theorem
・ Cauchy–Rassias stability
・ Cauchy–Riemann equations
・ Cauchy–Schwarz inequality
・ Cauci
・ Cauco
・ Caucon
・ Caucones


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Cauchy-continuous function : ウィキペディア英語版
Cauchy-continuous function
In mathematics, a Cauchy-continuous, or Cauchy-regular, function is a special kind of continuous function between metric spaces (or more general spaces). Cauchy-continuous functions have the useful property that they can always be (uniquely) extended to the Cauchy completion of their domain.
== Definition ==

Let ''X'' and ''Y'' be metric spaces, and let ''f'' be a function from ''X'' to ''Y''. Then ''f'' is Cauchy-continuous if and only if, given any Cauchy sequence (''x''1, ''x''2, …) in ''X'', the sequence (''f''(''x''1), ''f''(''x''2), …) is a Cauchy sequence in ''Y''.

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