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|Title:||Free algebrae and alternative definitions of the Hessenberg operations in the ordinal numbers .|
|Publisher:||National Technical Universtity of Athens|
|Abstract:||It is proved and is given, in this paper, two alternative algebraic definitions of the Hessenberg natural numbers in the ordinal numbers: a) by definition with transfinite induction and two inductive rules , b) by the free algebras of the polynomial symbols of the commutative semirings with unit .|
|Appears in Collections:||Εισηγήσεις|
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