1. Index setIn mathematics, the elements of a set A may be indexed or labeled by means of a set J that is on that account called an index set. The indexing consists of a surjective function from J onto A and the indexed collection is typically called an (indexed) family, often written as (Aj)j∈J. In computational complexity theory and cryptography, an index set is a set for which there exists an algorithm I that can sample the set efficiently; i.e.
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Read “添字記法” on Japanese Wikipedia
Read “Index set” on DBpedia
Read “Index set” on English Wikipedia
Read “添字記法” on Japanese Wikipedia
Read “Index set” on DBpedia
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