by Simone Bova, Hubie Chen, Matthew Valeriote
Reference:
On the Expression Complexity of Equivalence and Isomorphism of Primitive Positive FormulasSimone Bova, Hubie Chen, Matthew ValerioteTheory Comput. Syst., volume 50, number 2, pages 329–353, 2012.
Bibtex Entry:
@article{BovaChenValeriote12,
author = {Simone Bova and
Hubie Chen and
Matthew Valeriote},
title = {On the Expression Complexity of Equivalence and Isomorphism of Primitive
Positive Formulas},
journal = {Theory Comput. Syst.},
volume = {50},
number = {2},
pages = {329--353},
year = {2012}
}