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» Generating Bijections between HOAS and the Natural Numbers
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CORR
2010
Springer
65views Education» more  CORR 2010»
13 years 5 months ago
Generating Bijections between HOAS and the Natural Numbers
ly correct bijection between higher-order abstract syntax (HOAS) and the natural numbers enables one to define a "not equals" relationship between terms and also to have ...
John Tang Boyland
ENDM
2008
75views more  ENDM 2008»
13 years 7 months ago
Baxter permutations and plane bipolar orientations
We present a simple bijection between Baxter permutations of size n and plane bipolar orientations with n edges. This bijection translates several classical parameters of permutati...
Nicolas Bonichon, Mireille Bousquet-Mélou, ...
COMBINATORICS
2004
94views more  COMBINATORICS 2004»
13 years 7 months ago
Bijections and Congruences for Generalizations of Partition Identities of Euler and Guy
In 1958, Richard Guy proved that the number of partitions of n into odd parts greater than one equals the number of partitions of n into distinct parts with no powers of 2 allowed...
James A. Sellers, Andrew V. Sills, Gary L. Mullen
PPDP
2009
Springer
14 years 1 months ago
An embedded declarative data transformation language
We introduce a logic programming framework for data type transformations based on isomorphisms between elementary data types (natural numbers, finite functions, sets and permutat...
Paul Tarau
JCT
2011
108views more  JCT 2011»
13 years 2 months ago
The number of extreme points of tropical polyhedra
The celebrated upper bound theorem of McMullen determines the maximal number of extreme points of a polyhedron in terms of its dimension and the number of constraints which define...
Xavier Allamigeon, Stéphane Gaubert, Ricard...