On Partitional Labelings of Graphs. - Rikio Ichishima; Akito Oshima (Math. Comput. Sci., 2010)

A magical approach to some labeling conjectures. - Ramón M. Figueroa-Centeno; Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (Discuss. Math. Graph Theory, 2011)

On Partitional and Other Related Graphs. - Rikio Ichishima; Akito Oshima (Math. Comput. Sci., 2011)

The measurements of closeness to graceful graphs. - Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (Australas. J Comb., 2015)

Gracefully Cultivating Trees on a Cycle. - Ramón M. Figueroa-Centeno; Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (Electron. Notes Discret. Math., 2015)

On The Super Edge-Magic Deficiency Of 2-Regular Graphs With Two Components. - Rikio Ichishima; Akito Oshima (Ars Comb., 2016)

New parameters for studying graceful properties of graphs. - Akito Oshima; Rikio Ichishima; Francesc A. Muntaner-Batle (Electron. Notes Discret. Math., 2017)

On the beta-number of linear forests with an even number of components. - Rikio Ichishima; Akito Oshima (AKCE Int. J. Graphs Comb., 2018)

The harmonious number of graphs and related parameters. - Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (Bull. ICA, 2018)

On the beta-number of forests with isomorphic components. - Rikio Ichishima; Susana-Clara López; Francesc Antoni Muntaner-Batle; Akito Oshima (Discuss. Math. Graph Theory, 2018)

On the strong beta-number of galaxies with three and four components. - Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (AKCE Int. J. Graphs Comb., 2020)

On the strength of some trees. - Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (AKCE Int. J. Graphs Comb., 2020)

On total H-irregularity strength of the disjoint union of graphs. - Faraha Ashraf; Martin Baca; Susana-Clara López; Francesc Antoni Muntaner-Batle; Akito Oshima; Andrea Semanicová-Fenovcíková (Discuss. Math. Graph Theory, 2020)

The consecutively super edge-magic deficiency of graphs and related concepts. - Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (Electron. J. Graph Theory Appl., 2020)

Minimum degree conditions for the strength and bandwidth of graphs. - Rikio Ichishima; Francesc A. Muntaner-Batle; Akito Oshima (Discret. Appl. Math., 2022)