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CORR
2007
Springer
13 years 10 months ago
2007
Springer
EJC
2010
13 years 10 months ago
2010
A Shilla distance-regular graph (say with valency k) is a distance-regular graph with diameter 3 such that its second largest eigenvalue equals to a3. We will show that a3 divide...
AMC
2004
13 years 9 months ago
2004
We consider a parametrically-driven nonlinear ODE, which encompasses a simple model of an electronic circuit known as a parametric amplifier, whose linearisation has a zero eigenv...
EJC
2007
13 years 10 months ago
2007
We consider in this work the enumeration of involutions by descent sets, and based on that, by descent numbers. Formulas of the number of involutions with a prescribed descent set...
BMCBI
2006
13 years 10 months ago
2006
Background: The genome sequencing projects have shown our limited knowledge regarding gene function, e.g. S. cerevisiae has 5