Results 91 to 100 of about 73,359 (215)

Note on decipherability of three-word codes

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2002
The theory of uniquely decipherable (UD) codes has been widely developed in connection with automata theory, combinatorics on words, formal languages, and monoid theory.
F. Blanchet-Sadri, T. Howell
doaj   +1 more source

Some structures of the catalan numbers I [PDF]

open access: yesریاضی و جامعه
The Catalan numbers are ubiquitous in counting problems which is one of the primary reasons for its popularity. From various sources like books and Wikipedia we see that in combinatorial mathematics.
Daniel Yaqubi, Madjid Mirzavaziri
doaj   +1 more source

Palindromic Decompositions with Gaps and Errors

open access: yes, 2017
Identifying palindromes in sequences has been an interesting line of research in combinatorics on words and also in computational biology, after the discovery of the relation of palindromes in the DNA sequence with the HIV virus. Efficient algorithms for
A Apostolico   +17 more
core   +1 more source

Mahonian STAT on words [PDF]

open access: yes, 2014
In 2000, Babson and Steingr\'imsson introduced the notion of what is now known as a permutation vincular pattern, and based on it they re-defined known Mahonian statistics and introduced new ones, proving or conjecturing their Mahonity. These conjectures
Kitaev, Sergey, Vajnovszki, Vincent
core  

Binary Matrixes Based on Pascal’s Triangle’s Arithmetics and Char Sequences

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2016
This work describes consisting of zeroes and ones mathematical model, binary matrix obtained by the arithmetical and combinatorial transformations of Pascal's triangle.
O. Kuzmin, B. Starkov
doaj  

$3$-dimensional Continued Fraction Algorithms Cheat Sheets [PDF]

open access: yes, 2015
Multidimensional Continued Fraction Algorithms are generalizations of the Euclid algorithm and find iteratively the gcd of two or more numbers. They are defined as linear applications on some subcone of $\mathbb{R}^d$.
Labbé, Sébastien
core  

Random Fibonacci Words via Clone Schur Functions

open access: yesForum of Mathematics, Sigma
We investigate positivity and probabilistic properties arising from the Young–Fibonacci lattice $\mathbb {YF}$ , a 1-differential poset on words composed of 1’s and 2’s (Fibonacci words) and graded by the sum of the digits.
Leonid Petrov, Jeanne Scott
doaj   +1 more source

Heisenberg-Weyl algebra revisited: Combinatorics of words and paths [PDF]

open access: green, 2009
Paweł Błasiak   +4 more
openalex   +1 more source

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