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- Maria Axenovich, JiHyeok Choi
- Electr. J. Comb.
- 2010

Let H and G be two graphs on fixed number of vertices. An edge coloring of a complete graph is called (H,G)-good if there is no monochromatic copy of G and no rainbow (totally multicolored) copy of H in this coloring. As shown by Jamison and West, an (H,G)-good coloring of an arbitrarily large complete graph exists unless either G is a star or H is a… (More)

- Maria Axenovich, JiHyeok Choi
- Discrete Mathematics
- 2011

For two graphs, G and H , an edge coloring of a complete graph is (G,H)-good if there is no monochromatic subgraph isomorphic to G and no rainbow subgraph isomorphic to H in this coloring. The set of numbers of colors used by (G,H)-good colorings of Kn is called a mixed Ramsey spectrum. This note addresses a fundamental question of whether the spectrum is… (More)

- Maria Axenovich, JiHyeok Choi, Michelle A. Lastrina, T. McKay, J. Smith, B. Stanton
- Graphs and Combinatorics
- 2014

The chromatic number of a subset of the real plane is the smallest number of colors assigned to the elements of that set such that no two points at distance 1 receive the same color. It is known that the chromatic number of the plane is between 4 and 7. In this note, we determine the bounds on the chromatic number for several classes of subsets of the plane… (More)

- JiHyeok Choi, Sunder Sethuraman, Shankar C. Venkataramani
- Random Struct. Algorithms
- 2016

- Sunwook Kim, JiHyeok Choi, Seongwoon Kim, HagYoung Kim
- 2016 International Conference on Information…
- 2016

In Cloud-based VDI, users can access the virtual desktop service anytime and anywhere with the wide variety of terminals. The lightweight virtual desktop display protocol is required to support more users on the limited resources and to provide service to mobile users. In this paper, we design and implement the virtual desktop system using lightweight… (More)

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