DM 2006 | Sciweavers

31

DM
2006

66views more DM 2006»

On the role of hypercubes in the resonance graphs of benzenoid graphs

13 years 11 months ago

The resonance graph R(B) of a benzenoid graph B has the perfect matchings of B as vertices, two perfect matchings being adjacent13 if their symmetric difference forms the edge set...

Khaled Salem, Sandi Klavzar, Ivan Gutman

claim paper

Read More »

19

click to vote

DM
2006

54views more DM 2006»

Enumeration of M-partitions

13 years 11 months ago

Download folk.uib.no

Øystein J. Rødseth

claim paper

Read More »

36

click to vote

DM
2006

144views more DM 2006»

On almost self-complementary graphs

13 years 11 months ago

Download www.fmf.uni-lj.si

A graph is called almost self-complementary if it is isomorphic to one of its almost complements Xc - I, where Xc denotes the complement of X and I a perfect matching (1-factor) i...

Primoz Potocnik, Mateja Sajna

claim paper

Read More »

15

click to vote

DM
2006

55views more DM 2006»

The intricacy of avoiding arrays is 2

13 years 11 months ago

Download www.lars-daniel.se

Lars-Daniel Öhman

claim paper

Read More »

27

click to vote

DM
2006

73views more DM 2006»

Listing all the minimal separators of a 3-connected planar graph

13 years 11 months ago

Download www.ens-lyon.fr

Frédéric Mazoit

claim paper

Read More »

11

click to vote

DM
2006

75views more DM 2006»

Counting occurrences of 231 in an involution

13 years 11 months ago

Download www.math.ualberta.ca

Toufik Mansour, Sherry H. F. Yan, Laura L. M. Yang

claim paper

Read More »

32

click to vote

DM
2006

79views more DM 2006»

Restricted even permutations and Chebyshev polynomials

13 years 11 months ago

Download www.math.chalmers.se

We study generating functions for the number of even (odd) permutations on n letters avoiding 132 and an arbitrary permutation on k letters, or containing exactly once. In sever...

Toufik Mansour

claim paper

Read More »

16

click to vote

DM
2006

71views more DM 2006»

Spanning trails containing given edges

13 years 11 months ago

Download www.cs.bsu.edu

Weiqi Luo, Zhi-Hong Chen, Wei-Guo Chen

claim paper

Read More »

43

click to vote

DM
2006

93views more DM 2006»

Consistency for partition regular equations

13 years 11 months ago

Download www.dpmms.cam.ac.uk

It is easy to deduce from Ramsey's Theorem that, given positive integers a1, a2, . . . , am and a finite colouring of the set N of positive integers, there exists an injectiv...

Imre Leader, Paul A. Russell

claim paper

Read More »

15

click to vote

DM
2006

71views more DM 2006»

Tight quadrangulations on the sphere

13 years 11 months ago