Link Crossing Number is NP-hard

Autor: Eric Sedgwick, Marcus Schaefer, Arnaud de Mesmay
Přispěvatelé: Laboratoire d'Informatique Gaspard-Monge (LIGM), École des Ponts ParisTech (ENPC)-Centre National de la Recherche Scientifique (CNRS)-Université Gustave Eiffel, School of Computing [DePaul] (SOC), DePaul University [Chicago]
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Journal of Knot Theory and Its Ramifications
Journal of Knot Theory and Its Ramifications, World Scientific Publishing, 2020, 29 (06), pp.2050043. ⟨10.1142/S0218216520500431⟩
ISSN: 0218-2165
Popis: We show that determining the crossing number of a link is NP-hard. For some weaker notions of link equivalence, we also show NP-completeness.
Databáze: OpenAIRE