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2019

2019

We use stack words to find a new, simple proof for the best known upper bound for the number of 3-stack sortable permutations of… Expand

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2013

2013

[1] Six Ocean Drilling Program (ODP) sites, in the Northwest Atlantic have been used to investigate kinematic and chemical… Expand

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2013

2013

In the 60's, Knuth introduced stack-sorting and serial compositions of stacks. In particular, one significant question arise out… Expand

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2011

2011

We describe a new method for finding patterns in permutations that produce a given pattern after the permutation has been passed… Expand

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2009

2009

Several proxy records, including mean sortable silt (SS), percent CaCO3 and stable isotopes of two planktonic species of… Expand

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2004

2004

We describe the recursive structures of the set of two-stack sortable permutations which avoid 132 and the set of two-stack… Expand

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2000

2000

Abstract In his Ph.D. thesis, Julian West (Permutations with restricted subsequences and stack-sortable permutations, MIT, 1990… Expand

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1998

1998

Using Zeilberger's factorization of two-stack-sortable permutations, we write a functional equation — of a strange sort — that… Expand

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1998

1998

Using Zeilberger’s factorization of two-stack-sortable permutations, we write a functional equation | of a strange sort | that… Expand

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Highly Cited

1995

Highly Cited

1995

Fine sediment size (< 63 Ixm) is best measured by a sedimentation technique which records the whole size distribution. Repeated… Expand

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