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P. Chalise

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Preprint Aug 2026

All Polyominoes are $C_4$-face-magic

For a planar graph $G = (V, E)$ embedded in $\mathbb{R}^2$, let $\mathcal{F}(G)$ denote the set of faces of $G$. Then $G$ is called a \textit{$C_n$-face-magic} graph if there exists a bijection $f: V(G) \to \{1, 2, \dots, |V(G)|\}$ such that for any $F \in \mathcal{F}(G)$ with $F \cong C_n$, the sum of all the vertex l...

P. Chalise, Richard M. Low, Arman Eisenkolb-Vaithyanathan · 0 citations
Preprint Sep 2026

Sufficiency of Hall's Condition for Graphic List Coloring

For finite simple graphs $G,H$ on a common vertex set $V$, we say that $H$ is $G$-colorable if $H$ admits a proper list coloring with list assignment $L(v)=N_G(v)$ for all $v\in V$. This notion of coloring a graph using the neighborhood of another graph on the same vertex set, which we call \emph{graphic list coloring}...

P. Chalise · 0 citations

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