Alexander's trick

mathematical function

Wikidata entity: Q4718108

P2534	defining formula	Math	$J (x, t) = {\begin{cases} t f (x / t), & if 0 \leq ‖ x ‖ < t, \\ x, & if t \leq ‖ x ‖ \leq 1 . \end{cases}$	???
P366	has use	...	Q13424747 (???)	???
P31	instance of	...	Q24034552 (mathematical concept)	mathematical concept
P31	instance of	...	Q1799072 (method)	method
P6104	maintained by WikiProject	...	Q8487137 (WikiProject Mathematics)	WikiProject Mathematics
P138	named after	...	Q723607 (James Waddell Alexander II)	James Waddell Alexander II
P2579	studied by	...	Q217413 (category theory)	category theory

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