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Is there a short notation for function composition?

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#functions #elementary-set-theory #notation #function-and-relation-composition
237
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If $g \circ f$ is injective and $f$ is surjective, then $g$ is injective.

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#functions #proof-verification #function-and-relation-composition
464
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Roots of composite polynomial function

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#polynomials #function-and-relation-composition
306
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A "half-iterate" of the Faulhaber-problem of "summing like powers"?

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#sequences-and-series #combinatorics #number-theory #function-and-relation-composition
72
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What is the canonical name (or a good one) for the following self-composition of functions?

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#terminology #function-and-relation-composition
49
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Composition of $h(x)=f(|g(x)|)+|f(g(x))|$

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#algebra-precalculus #functions #trigonometry #inequality #function-and-relation-composition
59
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What is the domain of this composite function?

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#calculus #functions #function-and-relation-composition
319
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Why does continuity of the composite function $f\circ g$ at $c$ require continuity of the function $g$ at $c$?

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#calculus #continuity #function-and-relation-composition
357
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What numbers are in the set $S$?

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#number-theory #function-and-relation-composition
434
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Function composition in $L^2$

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#functional-analysis #function-and-relation-composition
729
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Correct way to formally prove whether a composite function exists or does not exist

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#discrete-mathematics #function-and-relation-composition
1.4k
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What causes a set of functions to form a group under composition?

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#group-theory #functions #function-and-relation-composition
324
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Functions which are the identity when applied repeatedly

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#functions #function-and-relation-composition
276
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No. of boolean functions of $n$ variables constructible from AND and OR, but without NOT

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#combinatorics #boolean-algebra #function-and-relation-composition
147
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Do half-iterate functions exist for any function?

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#functions #function-and-relation-composition #directed-graphs

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