9 search results - page 1 / 2 » Applying the Qn |
GFKL
2007
Springer
13 years 11 months ago
2007
Springer
COMBINATORICS
1999
13 years 4 months ago
1999
Let Pn and Qn be the polynomials obtained by repeated differentiation of the tangent and secant functions respectively. From the exponential generating functions of these polynomia...
GC
2008
Springer
13 years 5 months ago
2008
Springer
A spanning subgraph H of a graph G is a 2-detour subgraph of G if for each x, y V (G), dH (x, y) dG(x, y) + 2. We prove a conjecture of Erdos, Hamburger, Pippert, and Weakley by ...
JCT
1998
13 years 4 months ago
1998
Let Q(N) denote the number of partitions of N into distinct parts. If ω(k) := 3k2 +k 2 , then it is well known that Q(N) + ∞X k=1 (−1)k “ Q(N − 2ω(k)) + Q(N − 2ω(−k)...
GC
2007
Springer
13 years 5 months ago
2007
Springer
Let Qn be a hypercube of dimension n, that is, a graph whose vertices are binary n-tuples and two vertices are adjacent iff the corresponding n-tuples differ in exactly one posit...