Invariants, composition, and substitution

E Kindler�- Acta informatica, 1995 - Springer
… theoretical results stating that inductive sets are unique with respect to (wrt) invariant sets. …
We say the invariant sets of a system are closed under substitution 3 or substitution closed, for …

Invariant sets for substitution

T Nishida, Y Kobuchi�- Journal of Computer and System Sciences, 1994 - Elsevier
… Then any invariant set Z is characterized as Z=F+(K) for some set K of ascendable elements…
if F is a substitution over a finite alphabet, then for any invariant set Z there exists a set S of …

Topological invariants for substitution tilings and their associated-algebras

JE Anderson, IF Putnam�- Ergodic Theory and Dynamical Systems, 1998 - cambridge.org
substitution tilings. Under some hypotheses, we show that the dynamics of the substitution
… This approach also allows computation of the zeta function for the substitution. We discuss C…

[PDF][PDF] Invariant sets for substitution

T NISHIDA, Y KOBUCHI�- 数理解析研究所講究録, 1988 - repository.kulib.kyoto-u.ac.jp
… OVer a finite set (or the set of a11 Words over an a1phabet) and F is a substitution On it ,then
for any ascendable e1ement xe X there does exist a repeatable point Z such that xe F"(z) (Lemma�…

Invariant sets in the Clebsch–Tisserand problem: Existence and stability

AV Karapetyan�- Journal of applied mathematics and mechanics, 2006 - Elsevier
invariant sets are unstable in this case 5 ) or becomes sign-definite in the manifold (4.3) (the
invariant sets … of γ 3 0 ( t ) and k and substituting the resulting expressions into equality (4.4), …

A topological invariant of substitution minimal sets

T Kamae�- Journal of the Mathematical Society of Japan, 1972 - jstage.jst.go.jp
In this paper, we examine the ergodic properties of a bisequence over some finite set of symbols
which is generated by a substitution. By a substitution, we mean a mapping which maps …

A complete invariant for the topology of one-dimensional substitution tiling spaces

M Barge, B Diamond�- Ergodic Theory and Dynamical Systems, 2001 - cambridge.org
… topological invariant (in terms to be described shortly) for the one-dimensional substitution
… We will also derive, and apply, a numerical invariant of weak equivalence of substitutions

Ordered invariant sets for KdV-type nonlinear evolution equations

VA Galaktionov�- Журнал вычислительной математики и�…, 1999 - mathnet.ru
… In particular we show that an ordered invariant set and the corresponding exact … invariant
set for the KdV equation. Let us find a linear solution F{u) = Си of the ODE (2.1). Substituting we …

Properties and generability of transpositionally invariant sets

R Cohn�- Journal of Music Theory, 1991 - JSTOR
… sub-universes, and the behavior of transpositionally invariant set classes in the larger mod-12
… leads me to propose a set of homomorphic mappings of pc sets based on membership of …

[PS][PS] On Invariants and Substitution Systems (Preliminary Report; Work in Progress)

J Lilius - 1994 - tcs.hut.fi
… Then we discuss invariants, dene a substitution system based on an algebraic high-level …
invariants arise as solutions to a set of equations on the arrows in this category of invariants. …