Ordering D-classes and computing Schein rank is hard.

G. Markowsky

Semigroup forum (1992)

  • Volume: 44, Issue: 3, page 373-375
  • ISSN: 0037-1912; 1432-2137/e

How to cite

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Markowsky, G.. "Ordering D-classes and computing Schein rank is hard.." Semigroup forum 44.3 (1992): 373-375. <http://eudml.org/doc/135161>.

@article{Markowsky1992,
author = {Markowsky, G.},
journal = {Semigroup forum},
keywords = {semigroup of binary relations; principal ideal; NP-complete; Schein rank; binary matrix; rectangular binary relation; Boolean sum},
number = {3},
pages = {373-375},
title = {Ordering D-classes and computing Schein rank is hard.},
url = {http://eudml.org/doc/135161},
volume = {44},
year = {1992},
}

TY - JOUR
AU - Markowsky, G.
TI - Ordering D-classes and computing Schein rank is hard.
JO - Semigroup forum
PY - 1992
VL - 44
IS - 3
SP - 373
EP - 375
KW - semigroup of binary relations; principal ideal; NP-complete; Schein rank; binary matrix; rectangular binary relation; Boolean sum
UR - http://eudml.org/doc/135161
ER -

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