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IJON
2006
129views more  IJON 2006»
15 years 6 months ago
Computational and neural mechanisms of task switching
Switching between tasks that overlap in perceptual and response characteristics is assumed to rely upon the maintenance of task representations in prefrontal cortex (PFC). However...
Jeremy R. Reynolds, Todd S. Braver, Joshua W. Brow...
JGAA
2006
75views more  JGAA 2006»
15 years 6 months ago
Upward Planar Drawings and Switch-regularity Heuristics
In this paper we present a new characterization of switch-regular upward embeddings, a concept introduced by Di Battista and Liotta in 1998. This characterization allows us to def...
Walter Didimo
JGAA
2006
72views more  JGAA 2006»
15 years 6 months ago
A Multilevel Algorithm for the Minimum 2-sum Problem
In this paper we introduce a direct motivation for solving the minimum 2-sum problem, for which we present a linear-time algorithm inspired by the Algebraic Multigrid approach whi...
Ilya Safro, Dorit Ron, Achi Brandt
JGAA
2006
85views more  JGAA 2006»
15 years 6 months ago
A Survey of the Algorithmic Properties of Simplicial, Upper Bound and Middle Graphs
Three classes of graphs, simplicial, upper bound, and middle graphs, have been known for some time, but many of their algorithmic properties have not been published. The definitio...
Grant A. Cheston, Tjoen Seng Jap
IJON
2007
73views more  IJON 2007»
15 years 6 months ago
Time-scales in the interplay between calcium and voltage dynamics
The interaction between slow calcium dynamics and voltage dynamics increases the processing capabilities of neurons. A proper understanding of this interaction has to take into ac...
Srikanth Ramaswamy, Fabiano Baroni, Pablo Varona, ...