Maximum Packings and Minimum Coverings

Design Theory ◽  
2017 ◽  
pp. 77-93
Keyword(s):  
1995 ◽  
Vol 145 (1-3) ◽  
pp. 191-200 ◽  
Author(s):  
Salvatore Milici ◽  
Gaetano Quattrocchi ◽  
Hao Shen
Keyword(s):  

1994 ◽  
Vol 131 (1-3) ◽  
pp. 91-97 ◽  
Author(s):  
Saad I. El-Zanati
Keyword(s):  

1998 ◽  
Vol 183 (1-3) ◽  
pp. 103-117 ◽  
Author(s):  
H.-L. Fu ◽  
C.C. Lindner
Keyword(s):  

1999 ◽  
Vol 3 (1) ◽  
pp. 43-52 ◽  
Author(s):  
Charles J. Colbourn
Keyword(s):  

10.37236/2021 ◽  
2011 ◽  
Vol 18 (2) ◽  
Author(s):  
Adrian Duane ◽  
Jeffrey Remmel

A pattern $P$ of length $j$ has the minimal overlapping property if two consecutive occurrences of the pattern can overlap in at most one place, namely, at the end of the first consecutive occurrence of the pattern and at the start of the second consecutive occurrence of the pattern. For patterns $P$ which have the minimal overlapping property, we derive a general formula for the generating function for the number of consecutive occurrences of $P$ in words, permutations and $k$-colored permutations in terms of the number of maximum packings of $P$ which are patterns of minimal length which has $n$ consecutive occurrences of the pattern $P$. Our results have as special cases several results which have appeared in the literature. Another consequence of our results is to prove a conjecture of Elizalde that two permutations $\alpha$ and $\beta$ of size $j$ which have the minimal overlapping property are strongly $c$-Wilf equivalent if $\alpha$ and $\beta$ have the same first and last elements.


2010 ◽  
Vol 27 (2) ◽  
pp. 161-170 ◽  
Author(s):  
Elizabeth J. Billington ◽  
Italo J. Dejter ◽  
D. G. Hoffman ◽  
C. C. Lindner

2021 ◽  
Vol 9 (2) ◽  
pp. 451
Author(s):  
Amber Armstrong ◽  
Ryan C. Bunge ◽  
William Duncan ◽  
Saad I. El-Zanati ◽  
Kristin Koe ◽  
...  

2008 ◽  
Vol 308 (2-3) ◽  
pp. 427-438 ◽  
Author(s):  
Yanxun Chang ◽  
Giovanni Lo Faro ◽  
Antoinette Tripodi

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