Labeling amalgamations of Cartesian products of complete graphs with a condition at distance two. - Nathaniel J. Karst; Jessica Oehrlein; Denise Sakai Troxell; Junjie Zhu (Discret. Appl. Math., 2014)

The minimum span of L(2, 1)-labelings of generalized flowers. - Nathaniel J. Karst; Jessica Oehrlein; Denise Sakai Troxell; Junjie Zhu (Discret. Appl. Math., 2015)

L(d, 1)-labelings of the edge-path-replacement by factorization of graphs. - Nathaniel J. Karst; Jessica Oehrlein; Denise Sakai Troxell; Junjie Zhu (J. Comb. Optim., 2015)

Radio k-chromatic number of cycles for large k. - Nathaniel J. Karst; Joshua Langowitz; Jessica Oehrlein; Denise Sakai Troxell (Discret. Math. Algorithms Appl., 2017)