Results 21 to 30 of about 73,517 (203)

The number of distinct adjacent pairs in geometrically distributed words: a probabilistic and combinatorial analysis [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2023
The analysis of strings of $n$ random variables with geometric distribution has recently attracted renewed interest: Archibald et al. consider the number of distinct adjacent pairs in geometrically distributed words.
Guy Louchard   +2 more
doaj   +1 more source

Combinatorics of minimal absent words for a sliding window [PDF]

open access: yesTheoretical Computer Science, 2021
A string $w$ is called a minimal absent word (MAW) for another string $T$ if $w$ does not occur in $T$ but the proper substrings of $w$ occur in $T$. For example, let $\Sigma = \{\mathtt{a, b, c}\}$ be the alphabet. Then, the set of MAWs for string $w = \
Tooru Akagi   +6 more
semanticscholar   +1 more source

Sweep maps for lattice paths [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2014
Sweep maps are a family of maps on words that, while simple to define, are not yet known to be injective in general. This family subsumes many of the "zeta maps" that have arisen in the study of q,t-Catalan numbers in the course of relating the three ...
Nicholas Loehr, Gregory Warrington
doaj   +1 more source

Selfish Mining and Dyck Words in Bitcoin and Ethereum Networks [PDF]

open access: yes, 2020
The main goal of this article is to present a direct approach for the formula giving the long-term apparent hashrates of Selfish Mining strategies using only elementary probabilities and combinatorics, more precisely, Dyck words.
Grunspan, Cyril
core   +1 more source

The Join of the Varieties of R-trivial and L-trivial Monoids via Combinatorics on Words [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2012
Automata, Logic and ...
Manfred Kufleitner, Alexander Lauser
doaj   +1 more source

On morphisms preserving infinite Lyndon words [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2007
In a previous paper, we characterized free monoid morphisms preserving finite Lyndon words. In particular, we proved that such a morphism preserves the order on finite words.
Gwenael Richomme
doaj   +1 more source

Subproduct systems and Cartesian systems; new results on factorial languages and their relations with other areas [PDF]

open access: yes, 2020
We point out that a sequence of natural numbers is the dimension sequence of a subproduct system if and only if it is the cardinality sequence of a word system (or factorial language).
Gerhold, Malte, Skeide, Michael
core   +3 more sources

Ohne Frage? Mit Sicherheit. Präpositionale Wortverbindungen als Ausdrucksformen der Sprechereinstellung / Ohne Frage? Mit Sicherheit. Preposition-noun Phrases as Expressive Form of Speaker Attitude [PDF]

open access: yesLinguistische Treffen in Wrocław, 2020
Usualisierte Mehrworteinheiten stellen ein breites, strukturell und semantisch sehr heterogenes Spektrum von sprachlichen Elementen dar. Das Thema des Beitrags fokussiert die Problematik der lexikalisch-syntagmatischen Kombinatorik von usuellen ...
Monika Hornáček Banášová
doaj   +1 more source

Frequency-Hopping Sequences With Optimal Average Hamming Correlation and Their Applications in Energy and Spectrum Harvesting Technologies Area

open access: yesIEEE Access, 2021
The research of cyclotomy theory can be traced to Gauss and it has been applied to many fields such as cryptography, coding theory, and combinatorics. According to $v$ prime numbers or compound words, the incision on the residue-like ring ${\mathbb Z ...
Mingyue Fan
doaj   +1 more source

How often do we reject a superior value? (Extended abstract) [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2011
Words $a_1 a_2 \ldots a_n$ with independent letters $a_k$ taken from the set of natural numbers, and a weight (probability) attached via the geometric distribution $pq^{i-1}(p+q=1)$ are considered.
Kamilla Oliver, Helmut Prodinger
doaj   +1 more source

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