Báo cáo toán học: "A simple card guessing game revisited" docx
... considered the following simple combinatorial game; [5, 3, 7, 6]. One starts with a deck of cards consisting of m red and n black cards. A guess is made as to the colour of the top card, after which ... − 1), 0 ≤ n<m, the electronic journal of combinatorics 8 (no. 2) (2001), #R13 7 A simple card guessing game revisited Arnold Knopfmacher The John Knopfmacher Centre for Applicab...
Ngày tải lên: 07/08/2014, 06:23
Ngày tải lên: 05/08/2014, 10:20
... (Accessed: September 20, 1996). [3] P.K. Wong. Cages - a survey, JournalofGraphTheory,6, 1982, 1-22. A Simple Method for Constructing Small Cubic Graphs of Girths 14, 15, and 16 Geoffrey Exoo Department
Ngày tải lên: 07/08/2014, 06:20
Báo cáo toán học: "A simple algorithm for constructing Szemer´di’s Regularity Partition e" pps
... A simple algorithm for constructing Szemer´edi’s Regularity Partition Alan Frieze Department of Mathematical ... University. kannan@cs.yale.edu † Submitted: November 25, 1998; Accepted: March 15, 1999. Abstract We give a simple constructive version of Szemer´edi’s Regularity Lemma, based on the computation of singular ... equitable partition P (which is a refinement of P) into 1+k4 k cla...
Ngày tải lên: 07/08/2014, 06:20
Báo cáo toán học: "A simple proof for the existence of exponentially balanced Gray codes" ppsx
... Bakos’s construction of Gray codes in [1] which was reformulated in a simple way by Knuth in [4, Theorem D]. This proof is much simpler than the one given in [10]. In the sequel, codewords in a Gray ... A simple proof for the existence of exponentially balanced Gray codes I Nengah Suparta ∗ Department ... in the sequence T . Note that the sum of all b(i), 1 ≤ i ≤ n,isequaltol, the length...
Ngày tải lên: 07/08/2014, 08:22
Báo cáo toán học: "A Simple Proof of the Aztec Diamond Theorem" potx
... #R18 7 Using the technique of a sign-reversing involution over a signed set, we prove that the cardinalities of Π n and Ω n coincide with the determinants of H (1) n and G (1) n , respectively. Following ... in [8, Solution of Exercise 6.49]. the electronic journal of combinatorics 12 (2005), #R18 4 A Simple Proof of the Aztec Diamond Theorem Sen-Peng Eu ∗ Department of Applied Mathematics...
Ngày tải lên: 07/08/2014, 08:22
Báo cáo toán học: "A simple bijection between binary trees and colored ternary trees" pot
... of v k−1 ; (2) v 1 must be the right child of its father (if exists). Theorem 2.1 There exists a simple bijection φ between B n and T n . Proof. We first give the procedure to construct a complete ... a complete binary tree as follows. the electronic journal of combinatorics 17 (2010), #N20 2 A simple bijection between binary trees and colored ternary trees Yidong Sun Department of Mathema...
Ngày tải lên: 08/08/2014, 11:20
Báo cáo toán học: "A simple Havel–Hakimi type algorithm to realize graphical degree sequences of directed graphs" ppsx
... considerably easier. In particular, the existence problem of (sometimes simple) undirected graphs with given degree sequences even admits simple greedy algorithms for its solution. Subsequently, the theory ... exact definitions will come in Section 3). In 1955 P. Havel developed a simple greedy algorithm to solve the degree sequence problem for simple undirected graphs ([8]). In 1 960 P...
Ngày tải lên: 08/08/2014, 12:22
Báo cáo toán học: "A Scaling Result for Explosive Processes" docx
... model is motivated by the phenomenon of positive feedback, where the “rich get richer.” We derive a simple asymptotic expression for the prob- ability that bin 1 obtains a monopoly when bin 1 starts
Ngày tải lên: 07/08/2014, 08:20
Báo cáo toán học: "A characterization of balanced episturmian sequences" docx
... conditions are equivalent. There are two different generalizations of Sturmian sequences for alphabets of cardinality k ≥ 3. A natural generalization of Sturmian sequences is the set of infinite episturmian sequences.
Ngày tải lên: 07/08/2014, 15:22