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Definition: Isomorphism

An isomorphism is a bijective homomorphism \(f:G\to H\) of two algebraic structures \((G,\ast)\), \((H,\cdot)\)

\[f(a\ast b)=f(a)\cdot f(b).\]

If an isomorphism exists between \((G,\ast)\), \((H,\cdot),\) we write \(G\simeq H\) and say that \(G\) and \(H\) are isomorphic.

| | | | | created: 2014-02-23 22:26:59 | modified: 2019-02-10 14:39:37 | by: bookofproofs | references: [577]

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Bibliography (further reading)

[577] Knauer Ulrich: “Diskrete Strukturen – kurz gefasst”, Spektrum Akademischer Verlag, 2001