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Embeddings of resolvable mendelsohn triple systems

โœ Scribed by F. E. Bennett; R. Wei


Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
792 KB
Volume
1
Category
Article
ISSN
1063-8539

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โœฆ Synopsis


In this article it is shown that any resolvable Mendelsohn triple system of order u can be embedded in a resolvable Mendelsohn triple system of order v iff v 2 3u, except possibly for 71 values of (u,v). 0 1993 John Wiley & Sons, Inc.

Theorem 1.1. A RMTS(v) exists if and only if

If ( X , % ) and ( Y , d ) are two RMTSs with parallel classes D , , . . . , D , and


๐Ÿ“œ SIMILAR VOLUMES


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Let RB(3, \*; v) denote a resolvable \*-fold triple system of order v. It is proved in this paper that the necessary and sufficient conditions for the embedding of an RB(3, \*; v) in an RB(3, \*; u) are u 3v and (i) u#v#3 (mod 6) if \*#1 (mod 2), (ii) u#v#3 (mod 3) if \*#0 (mod 4), or (iii) u#v#0 (m

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## Abstract It is proved in this article that the necessary and sufficient conditions for the embedding of a ฮปโ€fold pure Mendelsohn triple system of order __v__ in ฮปโ€__fold__ pure Mendelsohn triple of order __u__ are ฮป__u__(__u__ โˆ’ 1) โ‰ก 0 (mod 3) and __u__ โฉพ 2__v__ + 1. Similar results for the embe

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An HMTS of type {n1 , n2 , . . . , n h } is a directed graph DKn 1 ,n 2 ,...,n h , which can be decomposed into 3-circuits. If the 3-circuits can be partitioned into parallel classes, then the HMTS is called an RHMTS. In this article it is shown that the RHMTSs of type m h exist when mh โ‰ก 0 (mod 3)

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A cyclic triple (a, b, c) is defined to be set { (a, b) ,(b,c),(c,a)} of ordered pairs. A Mendelsohn triple system of order v, M(2,3, u), is a pair (M, fi), w h ere M is a set of u points and fi is a collection of cyclic triples of pairwise distinct points of M such that any ordered pair of distinct