Richard H. Hammack

According to our database, Richard H. Hammack authored at least 40 papers between 1999 and 2021.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of two.

2021

A New View of Hypercube Genus.

Richard H. Hammack, Paul C. Kainen

Am. Math. Mon., 2021

Graph exponentiation and neighborhood reconstruction.

Richard H. Hammack

Discuss. Math. Graph Theory, 2021

Palindromic products.

Richard H. Hammack, Jamie L. Shive

Art Discret. Appl. Math., 2021

2020

Sphere decompositions of hypercubes.

Richard H. Hammack, Paul C. Kainen

Art Discret. Appl. Math., 2020

2018

Graph Bases and Diagram Commutativity.

Richard H. Hammack, Paul C. Kainen

Graphs Comb., 2018

Robust cycle bases do not exist for if.

Richard H. Hammack, Paul C. Kainen

Discret. Appl. Math., 2018

Vertex-Transitive Direct Products of Graphs.

Richard H. Hammack, Wilfried Imrich

Electron. J. Comb., 2018

Digraphs Products.

Richard H. Hammack

Proceedings of the Classes of Directed Graphs., 2018

2017

Proper connection of direct products.

Richard H. Hammack, Dewey T. Taylor

Discuss. Math. Graph Theory, 2017

Neighborhood Reconstruction and Cancellation of Graphs.

Richard H. Hammack, Cristina Mullican

Electron. J. Comb., 2017

Cycle bases of reduced powers of graphs.

Richard H. Hammack, Gregory D. Smith

Ars Math. Contemp., 2017

2016

Associativity and Non-Associativity of Some Hypergraph Products.

Richard H. Hammack, Marc Hellmuth, Lydia Ostermeier, Peter F. Stadler

Math. Comput. Sci., 2016

2015

A prime factor theorem for bipartite graphs.

Richard H. Hammack, Owen Puffenberger

Eur. J. Comb., 2015

2014

Zero Divisors Among Digraphs.

Richard H. Hammack, Heather C. Smith

Graphs Comb., 2014

Fast recognition of direct and strong products.

Richard H. Hammack, Wilfried Imrich

Ars Math. Contemp., 2014

2013

Cancellation of digraphs over the direct product.

Richard H. Hammack

Eur. J. Comb., 2013

Frucht's theorem for the digraph factorial.

Richard H. Hammack

Discuss. Math. Graph Theory, 2013

On uniqueness of prime bipartite factors of graphs.

Richard H. Hammack

Discret. Math., 2013

2011

Notes on the independence number in the Cartesian product of graphs.

Ghidewon Abay-Asmerom, Richard H. Hammack, Craig E. Larson, Dewey T. Taylor

Discuss. Math. Graph Theory, 2011

2010

Direct Product Factorization of Bipartite Graphs with Bipartition-reversing Involutions.

Ghidewon Abay-Asmerom, Richard H. Hammack, Craig E. Larson, Dewey T. Taylor

SIAM J. Discret. Math., 2010

Cancellation of direct products of digraphs.

Richard H. Hammack, Katherine E. Toman

Discuss. Math. Graph Theory, 2010

A quasicancellation property for the direct product of graphs.

Richard H. Hammack

Discret. Math., 2010

The inner power of a graph.

Richard H. Hammack, Neal Livesay

Ars Math. Contemp., 2010

An isomorphism theorem for digraphs.

Laura J. Culp, Richard H. Hammack

Australas. J Comb., 2010

2009

Proof of a conjecture concerning the direct product of bipartite graphs.

Richard H. Hammack

Eur. J. Comb., 2009

On direct product cancellation of graphs.

Richard H. Hammack

Discret. Math., 2009

On Cartesian skeletons of graphs.

Richard H. Hammack, Wilfried Imrich

Ars Math. Contemp., 2009

Minimum cycle bases of direct products of graphs with cycles.

Zachary Bradshaw, Richard H. Hammack

Ars Math. Contemp., 2009

Factorial properties of graphs.

Ghidewon Abay-Asmerom, Richard H. Hammack, Dewey T. Taylor

Australas. J Comb., 2009

2008

A cancellation property for direct product.

Richard H. Hammack

Discuss. Math. Graph Theory, 2008

Total Perfect Codes in Tensor Products of Graphs.

Ghidewon Abay-Asmerom, Richard H. Hammack, Dewey T. Taylor

Ars Comb., 2008

2007

Minimum cycle bases of direct products of complete graphs.

Richard H. Hammack

Inf. Process. Lett., 2007

Fractional graphs.

Richard H. Hammack

Australas. J Comb., 2007

2006

Isomorphic components of direct products of bipartite graphs.

Richard H. Hammack

Discuss. Math. Graph Theory, 2006

Minimum cycle bases of direct products of bipartite graphs.

Richard H. Hammack

Australas. J Comb., 2006

Square contractions of graphs.

Richard H. Hammack

Australas. J Comb., 2006

2005

Centers of Tensor Products of Graphs.

Ghidewon Abay-Asmerom, Richard H. Hammack

Ars Comb., 2005

2004

Centers of n-fold tensor products of graphs.

Sarah Bendall, Richard H. Hammack

Discuss. Math. Graph Theory, 2004

2002

A note on the complexity of computing cyclicity.

Richard H. Hammack

Ars Comb., 2002

1999

Cyclicity of graphs.

Richard H. Hammack

J. Graph Theory, 1999