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Questions of the kind "What's the name for a X that satisfies property Y?"
26
votes
4
answers
3k
views
What is the term for combining functions $f_1,f_2,\dots,f_n$ into a tuple $(f_1,\dots,f_n)$?
This is an embarrassingly simple question, but I was not able to find a definitive answer from literature search.
Suppose one has some collection of functions $f_1: X \to Y_1, \dots, f_n: X \to Y_n$ …
27
votes
2
answers
2k
views
Is there a name for a family of finite sequences that block all infinite sequences?
Let ${\bf N}^\omega = \bigcup_{m=1}^\infty {\bf N}^m$ denote the space of all finite sequences $(N_1,\ldots,N_m)$ of natural numbers. For want of a better name, let me call a family ${\mathcal T} \su …
39
votes
3
answers
7k
views
What is the standard notation for a multiplicative integral?
But I am having difficulty locating this literature because I am not sure I have the correct terminology for this concept. …
25
votes
2
answers
2k
views
What is the name of this relative semidirect product of groups?
We have two well known definitions of the semidirect product $N \rtimes H$ of groups:
(Internal semidirect product) We write $G = N \rtimes H$ if $N$ is a normal subgroup of $G$, $H$ is another subg …