On the Power of Las Vegas II. Two-Way Finite Automata

1999 ◽  
pp. 433-442 ◽  
Author(s):  
Juraj Hromkovič ◽  
Georg Schnitger
Keyword(s):  
Las Vegas ◽  
Finite Automata

A NOTE ON REBOUND TURING MACHINES

2004 ◽  
Vol 15 (05) ◽  
pp. 791-807
Author(s):  
KATSUSHI INOUE ◽  
AKIRA ITO ◽  
TAKASHI KAMIURA ◽  
HOLGER PETERSEN ◽  
LAN ZHANG
Keyword(s):  
Las Vegas ◽  
Finite Automata ◽  
Leaf Size ◽  
Turing Machines ◽  
Separation Result ◽  
Computing Models

This paper continues the investigation of rebound Turing machines (RTM's). We first investigate a relationship between the accepting powers of simple one-way 2-head finite automata and simultaneously space-bounded and leaf-size bounded alternating RTM's, and show that for any functions L(n) and Z(n) such that L(n)Z(n)=o( log n) and [Formula: see text], simple one-way 2-head finite automata are incomparable with simultaneously L(n) space-bounded and Z(n) leaf-size bounded alternating RTM's. We then investigate a relationship between Las Vegas and determinism for space-bounded RTM's, and show that there is a language accepted by a Las Vegas rebound automaton, but not accepted by any weakly o( log log n) space-bounded deterministic RTM. This is the first separation result between Las Vegas and determinism for space-bounded computing models over strings.

scholarly journals On the power of nondeterminism and Las Vegas randomization for two-dimensional finite automata

2004 ◽  
Vol 68 (3) ◽  
pp. 675-699 ◽  
Author(s):  
Pavol Ďuriš ◽  
Juraj Hromkovič ◽  
Katsushi Inoue
Keyword(s):  
Las Vegas ◽  
Finite Automata ◽  
Two Dimensional

scholarly journals On the power of Las Vegas II: Two-way finite automata

2001 ◽  
Vol 262 (1-2) ◽  
pp. 1-24 ◽  
Author(s):  
Juraj Hromkovič ◽  
Georg Schnitger
Keyword(s):  
Las Vegas ◽  
Finite Automata

Physical and Hydrologic-Flow Properties of Fractures Las Vegas, Nevada—Zion Canyon, Utah—Grand Canyon, Arizona—Yucca Mountain, Nevada July 20–24, 1989

10.1029/ft385 ◽  
1989 ◽  
Author(s):  
Christopher C. Barton ◽  
Paul A. Hsieh ◽  
Jacques Angelier ◽  
Francoise Bergerat ◽  
Catherine Bouroz ◽  
...  
Keyword(s):  
Las Vegas ◽  
Grand Canyon ◽  
Yucca Mountain ◽  
Flow Properties
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