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math.CO2025
Forbidden Induced Subgraph Characterization of Word-Representable Split Graphs
Eshwar Srinivasan, Ramesh Hariharasubramanian
The class of word-representable graphs, introduced in connection with the study of the Perkins semigroup by Kitaev and Seif, has attracted significant attention in combinatorics an…
math.CO2025
Forbidden Induced Subgraph Characterization of Word-Representable Co-bipartite Graphs
Eshwar Srinivasan, Ramesh Hariharasubramanian
A graph with vertex set and edge set is said to be word-representable if there exists a word over the alphabet such that, for any two distinct letters…