Ralph Freese

According to our database, Ralph Freese authored at least 12 papers between 1974 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2022

Notes on join semidistributive lattices.

Kira V. Adaricheva, Ralph Freese, James B. Nation

Int. J. Algebra Comput., 2022

2021

A simple semidistributive lattice.

Ralph Freese, James B. Nation

Int. J. Algebra Comput., 2021

2019

Testing for a Semilattice Term.

Ralph Freese, James B. Nation, Matt Valeriote

Order, 2019

Polynomial-time tests for difference terms in idempotent varieties.

William J. DeMeo, Ralph Freese, Matthew Valeriote

Int. J. Algebra Comput., 2019

2015

Projective Ordinal Sums of Lattices and Isotone Sections.

Ralph Freese, James B. Nation

Order, 2015

2009

On the Complexity of Some Maltsev Conditions.

Ralph Freese, Matthew Valeriote

Int. J. Algebra Comput., 2009

2004

Automated Lattice Drawing.

Ralph Freese

Proceedings of the Concept Lattices, 2004

2003

Whaley's Theorem for Finite Lattices.

Ralph Freese, Jennifer Hyndman, James B. Nation

Order, 2003

2002

Inherently nonfinitely based lattices.

Ralph Freese, George F. McNulty, James B. Nation

Ann. Pure Appl. Log., 2002

1993

Term Rewrite Systems for Lattice Theory.

Ralph Freese, Jaroslav Jezek, James B. Nation

J. Symb. Comput., 1993

1991

On Complete Congruence Lattices of Complete Modular Lattices.

Ralph Freese, George Grätzer, E. Tamás Schmidt

Int. J. Algebra Comput., 1991

1974

An application of dilworth's lattice of maximal antichains.

Ralph Freese

Discret. Math., 1974