These are the things I'll get to do when I get to do them:
ALL:
* extend alphabet by natural embedding, "skip levels" in tree
* quotient alphabets
* check alphabets not [1..n]
* should stateset be an attribute or an operation?
frmachine:
* add or remove generator
frelement:
* order and cycles for transformations, with period and preperiod
* recognize at least some machines that are not finite-state
mealy:
group:
* smarter "branch" detection, with commutators and quotients
* find explicit isomorphism between contracting groups, incl. non-trivial
* Exponent, IsSolvable, IsNilpotent, IsSimple
* smarter IsTorsion, IsTorsionFree, HasCongruenceProperty
* SubexponentialGrowth
* SEARCH@.BALL should not compute full balls if #gens is large (>100)
* complex of groups covering contracting group
vhgroup:
* IsLevelTransitiveOnPatterns
examples:
* mother groups for polynomial growth, construct embeddings into such group
helpers:
* interval arithmetic
* maybe use InputOutputLocalProcess
img:
* blow-ups, tuning of IMG
* adding machines of fractional (e.g. 1/7) amplitude, for more tunings & matings
* "dilute" FR machine by multiplying stateset with {1..n} and chaining them in sequence
* actual matings
* given obstruction, compute quotient machine. More generally, find a common format for obstructions
* canonical decompositions
* recode properly rpoly, maybe have higher precision?
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