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ICMCS
2007
IEEE
76views Multimedia» more  ICMCS 2007»
14 years 1 months ago
Multi-Party Audio Conferencing Based on a Simpler MCU and Client-Side ECHO Cancellation
Traditional multiparty audio conferencing uses a star-shaped topology where all the clients connect to a central MCU (Multipoint Control Unit). The MCU mixes the signals from the ...
Junlin Li, Li-wei He, Dinei A. F. Florêncio
MCU
2007
144views Hardware» more  MCU 2007»
13 years 9 months ago
Four Small Universal Turing Machines
We present small polynomial time universal Turing machines with state-symbol pairs of (5, 5), (6, 4), (9, 3) and (18, 2). These machines simulate our new variant of tag system, the...
Turlough Neary, Damien Woods
MCU
2007
90views Hardware» more  MCU 2007»
13 years 9 months ago
Partial Halting in P Systems Using Membrane Rules with Permitting Contexts
Abstract. We consider a new variant of the halting condition in P systems, i.e., a computation in a P system is already called halting if not for all membranes a rule is applicable...
Artiom Alhazov, Rudolf Freund, Marion Oswald, Serg...
MCU
2004
96views Hardware» more  MCU 2004»
13 years 8 months ago
Computational Completeness of P Systems with Active Membranes and Two Polarizations
P systems with active membranes using only two electrical charges and only rules of type (a) , i.e., evolution rules used in parallel in the regions of the membrane system, and of ...
Artiom Alhazov, Rudolf Freund, Gheorghe Paun
MCU
2004
129views Hardware» more  MCU 2004»
13 years 8 months ago
Solving 3CNF-SAT and HPP in Linear Time Using WWW
We propose linear time solutions to two much celebrated NP-complete problems, namely the 3CNF-SAT and the directed Hamiltonian Path Problem (HPP), based on AHNEPs having all resour...
Florin Manea, Carlos Martín-Vide, Victor Mi...