Stream: Mirror: Isabelle Users Mailing List

Topic: [isabelle] Degree of an almost everywhere constant function


view this post on Zulip Email Gateway (Oct 15 2020 at 14:42):

From: Florian Haftmann <florian.haftmann@informatik.tu-muenchen.de>
Hi all,

in certain applications (most prominently polynomials) almost everywhere
constant functions nat => 'a play a critical role, and any almost
everywhere constant function can be assigned a degree, i. e. the highest
n such that for any higher n the function is constant.

Is there any stand-alone formalizsation of this concept?

Cheers,
Florian
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view this post on Zulip Email Gateway (Oct 15 2020 at 14:47):

From: Manuel Eberl <eberlm@in.tum.de>
The only thing I am aware of is HOL-Library.Poly_Mapping, which you are
probably aware of, seeing as it has your name at the top.

Manuel
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Last updated: Dec 05 2021 at 22:18 UTC