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Veblen Function: Normal Function, Oswald Veblen -

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2026-03-17
116,87 € 166,96 €

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High Quality Content by WIKIPEDIA articles! In mathematics, the Veblen functions are a hierarchy of functions from ordinals to ordinals, introduced by Oswald Veblen in Veblen (1908). If ¿0 is any continuous strictly increasing function from ordinals to ordinals, then for any non-zero ordinal ¿, ¿¿ is the function enumerating the common fixed points of ¿¿ for ¿

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High Quality Content by WIKIPEDIA articles! In mathematics, the Veblen functions are a hierarchy of functions from ordinals to ordinals, introduced by Oswald Veblen in Veblen (1908). If ¿0 is any continuous strictly increasing function from ordinals to ordinals, then for any non-zero ordinal ¿, ¿¿ is the function enumerating the common fixed points of ¿¿ for ¿<¿. These functions are all continuous strictly increasing functions (i.e. normal functions) from ordinals to ordinals. The fundamental sequence of an ordinal with cofinality ¿ is a distinguished strictly increasing ¿-sequence which has the ordinal as its limit. If one has fundamental sequences for ¿ and all smaller limit ordinals, then one can create an explicit constructive bijection between ¿ and ¿, (i.e. one not using the axiom of choice). Here we will describe fundamental sequences for the Veblen hierarchy of ordinals. The image of n under the fundamental sequence for ¿ will be indicated by ¿.

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Izdevējs OmniScriptum
Izlaides gads 2026
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EAN 9786131123917
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116,87 € 166,96 €