Joshua Schwartzstein
 Bio [2003]
At present, Josh is a third year student in the College of Arts and Sciences
at Cornell University where he received early admission after his junior
year of high school. At Cornell, Josh was selected by the University to
be a College Scholar. He is currently concentrating in Mathematics, Economics
and Psychology. Josh also studies Jazz Guitar and participates in both
university-sponsored and student ensembles.
Project Title
Studying the effects of perturbations on elementary one-dimensional Cellular
Automata.
Abstract
This project investigates the effects of pertubations on elementary one-dimensional
Cellular Automata (\"CAs\"). These effects are examined from "a pure NKS,"
as well as a social science perspective. In other words, the general evolution
of the perturbed CAs is of interest as well as the pertubations' ability
to produce some desired behavior. Perturbed CAs can be viewed as a model
of systems affected by policies or control schemes. Through examining
such CAs some inferences may be drawn as to the effectiveness and consequences
of various types of policies and schemes.
Favorite 3-color Cellular Automata
Rule Chosen: 200013
Reason: This particular CA is
interesting in that its evolution leads
to
five distinct regions that seemingly never interact. On the left and
right borders are linearly evolving repetitive structures that encompass
three more regions. The first of these--the second region from the left--contains
repetitive patterns of period three. The next exhibits Class 4 behavior
and contains complex structures that interact in seemingly complicated
ways. The next contains a repetitive pattern that is composed of structures
that take 9 steps to evolve.
Additional Information
Schwartzstein, J. "Studying the Effects of Perturbations on Elementary
One-Dimensional Cellular Automata." Presentation at NKS 2004, Boston, MA,
2004. [abstract]
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