Hammack, Richard H.; Shive, Jamie L. Palindromic products. (English) Zbl 1454.05102 Art Discrete Appl. Math. 4, No. 1, Paper No. P1.01, 9 p. (2021). MSC: 05C76 05C78 PDFBibTeX XMLCite \textit{R. H. Hammack} and \textit{J. L. Shive}, Art Discrete Appl. Math. 4, No. 1, Paper No. P1.01, 9 p. (2021; Zbl 1454.05102) Full Text: DOI
Hammack, Richard H. Graph exponentiation and neighborhood reconstruction. (English) Zbl 1453.05071 Discuss. Math., Graph Theory 41, No. 1, 335-339 (2021). MSC: 05C60 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, Discuss. Math., Graph Theory 41, No. 1, 335--339 (2021; Zbl 1453.05071) Full Text: DOI
Hammack, Richard H. Digraphs products. (English) Zbl 1407.05111 Bang-Jensen, Jørgen (ed.) et al., Classes of directed graphs. Cham: Springer. Springer Monogr. Math., 467-515 (2018). MSC: 05C20 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, in: Classes of directed graphs. Cham: Springer. 467--515 (2018; Zbl 1407.05111) Full Text: DOI
Hammack, Richard H.; Taylor, Dewey T. Proper connection of direct products. (English) Zbl 1372.05112 Discuss. Math., Graph Theory 37, No. 4, 1005-1013 (2017). MSC: 05C38 05C40 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack} and \textit{D. T. Taylor}, Discuss. Math., Graph Theory 37, No. 4, 1005--1013 (2017; Zbl 1372.05112) Full Text: DOI
Hammack, Richard H.; Smith, Gregory D. Cycle bases of reduced powers of graphs. (English) Zbl 1370.05180 Ars Math. Contemp. 12, No. 1, 183-203 (2017). MSC: 05C76 60J27 PDFBibTeX XMLCite \textit{R. H. Hammack} and \textit{G. D. Smith}, Ars Math. Contemp. 12, No. 1, 183--203 (2017; Zbl 1370.05180) Full Text: DOI arXiv
Hammack, Richard H.; Mullican, Cristina Neighborhood reconstruction and cancellation of graphs. (English) Zbl 1361.05111 Electron. J. Comb. 24, No. 2, Research Paper P2.8, 11 p. (2017). MSC: 05C76 05C60 PDFBibTeX XMLCite \textit{R. H. Hammack} and \textit{C. Mullican}, Electron. J. Comb. 24, No. 2, Research Paper P2.8, 11 p. (2017; Zbl 1361.05111) Full Text: arXiv Link
Hammack, Richard; Puffenberger, Owen A prime factor theorem for bipartite graphs. (English) Zbl 1401.05255 Eur. J. Comb. 47, 123-140 (2015). MSC: 05C76 05C40 PDFBibTeX XMLCite \textit{R. Hammack} and \textit{O. Puffenberger}, Eur. J. Comb. 47, 123--140 (2015; Zbl 1401.05255) Full Text: DOI
Hammack, Richard; Smith, Heather Zero divisors among digraphs. (English) Zbl 1292.05221 Graphs Comb. 30, No. 1, 171-181 (2014). MSC: 05C76 05C20 PDFBibTeX XMLCite \textit{R. Hammack} and \textit{H. Smith}, Graphs Comb. 30, No. 1, 171--181 (2014; Zbl 1292.05221) Full Text: DOI Link
Hammack, Richard H. Frucht’s theorem for the digraph factorial. (English) Zbl 1292.05133 Discuss. Math., Graph Theory 33, No. 2, 329-336 (2013). MSC: 05C25 05C60 05C20 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, Discuss. Math., Graph Theory 33, No. 2, 329--336 (2013; Zbl 1292.05133) Full Text: DOI
Hammack, Richard H. On uniqueness of prime bipartite factors of graphs. (English) Zbl 1261.05084 Discrete Math. 313, No. 9, 1018-1027 (2013). MSC: 05C70 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, Discrete Math. 313, No. 9, 1018--1027 (2013; Zbl 1261.05084) Full Text: DOI
Hammack, Richard H. Cancellation of digraphs over the direct product. (English) Zbl 1260.05067 Eur. J. Comb. 34, No. 5, 846-858 (2013). MSC: 05C20 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, Eur. J. Comb. 34, No. 5, 846--858 (2013; Zbl 1260.05067) Full Text: DOI
Hammack, Richard H.; Toman, Katherine E. Cancellation of direct products of digraphs. (English) Zbl 1217.05197 Discuss. Math., Graph Theory 30, No. 4, 575-590 (2010). MSC: 05C76 05C20 05C60 PDFBibTeX XMLCite \textit{R. H. Hammack} and \textit{K. E. Toman}, Discuss. Math., Graph Theory 30, No. 4, 575--590 (2010; Zbl 1217.05197) Full Text: DOI
Hammack, Richard; Livesay, Neal The inner power of a graph. (English) Zbl 1213.05223 Ars Math. Contemp. 3, No. 2, 193-199 (2010). MSC: 05C76 05C99 PDFBibTeX XMLCite \textit{R. Hammack} and \textit{N. Livesay}, Ars Math. Contemp. 3, No. 2, 193--199 (2010; Zbl 1213.05223) Full Text: DOI
Hammack, Richard H. A quasicancellation property for the direct product of graphs. (English) Zbl 1222.05224 Discrete Math. 310, No. 12, 1691-1696 (2010). MSC: 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, Discrete Math. 310, No. 12, 1691--1696 (2010; Zbl 1222.05224) Full Text: DOI
Hammack, Richard H. Unique prime Cartesian factorization of graphs over finite fields. (English) Zbl 1191.05092 Missouri J. Math. Sci. 21, No. 3, 149-154 (2009). MSC: 05C99 05C76 PDFBibTeX XMLCite \textit{R. H. Hammack}, Missouri J. Math. Sci. 21, No. 3, 149--154 (2009; Zbl 1191.05092)
Hammack, Richard; Bradshaw, Zachary Minimum cycle bases of direct products of graphs with cycles. (English) Zbl 1175.05115 Ars Math. Contemp. 2, No. 1, 101-119 (2009). MSC: 05C76 05C38 PDFBibTeX XMLCite \textit{R. Hammack} and \textit{Z. Bradshaw}, Ars Math. Contemp. 2, No. 1, 101--119 (2009; Zbl 1175.05115) Full Text: DOI
Abay-Asmerom, Ghidewon; Hammack, Richard H.; Taylor, Dewey T. Factorial properties of graphs. (English) Zbl 1187.05065 Australas. J. Comb. 44, 265-272 (2009). MSC: 05C76 PDFBibTeX XMLCite \textit{G. Abay-Asmerom} et al., Australas. J. Comb. 44, 265--272 (2009; Zbl 1187.05065)
Hammack, Richard H. On direct product cancellation of graphs. (English) Zbl 1210.05124 Discrete Math. 309, No. 8, 2538-2543 (2009). MSC: 05C76 05C70 PDFBibTeX XMLCite \textit{R. H. Hammack}, Discrete Math. 309, No. 8, 2538--2543 (2009; Zbl 1210.05124) Full Text: DOI
Hammack, Richard H. Proof of a conjecture concerning the direct product of bipartite graphs. (English) Zbl 1210.05123 Eur. J. Comb. 30, No. 5, 1114-1118 (2009). MSC: 05C76 05C70 PDFBibTeX XMLCite \textit{R. H. Hammack}, Eur. J. Comb. 30, No. 5, 1114--1118 (2009; Zbl 1210.05123) Full Text: DOI
Abay-Asmerom, Ghidewon; Hammack, Richard H.; Taylor, Dewey T. Perfect \(r\)-codes in strong products of graphs. (English) Zbl 1175.05048 Bull. Inst. Comb. Appl. 55, 66-72 (2009). MSC: 05C12 05C76 94B25 90B80 PDFBibTeX XMLCite \textit{G. Abay-Asmerom} et al., Bull. Inst. Comb. Appl. 55, 66--72 (2009; Zbl 1175.05048)
Abay-Asmerom, Ghidewon; Hammack, Richard H.; Taylor, Dewey T. Complementary composition of graphs. (English) Zbl 1177.05098 Congr. Numerantium 189, 113-120 (2008). MSC: 05C76 PDFBibTeX XMLCite \textit{G. Abay-Asmerom} et al., Congr. Numerantium 189, 113--120 (2008; Zbl 1177.05098)
Hammack, Richard Minimum cycle bases of direct products of complete graphs. (English) Zbl 1185.05088 Inf. Process. Lett. 102, No. 5, 214-218 (2007). MSC: 05C38 05C76 PDFBibTeX XMLCite \textit{R. Hammack}, Inf. Process. Lett. 102, No. 5, 214--218 (2007; Zbl 1185.05088) Full Text: DOI