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Everything about Critical graph

Undirected graph

In graph theory, a critical graph is an undirected graph all of whose proper subgraphs have smaller chromatic number. In such a graph, every vertex or edge is a critical element, in the sense that its deletion would decrease the number of colors needed in a graph coloring of the given graph. Each time a single edge or vertex is removed from a critical graph, the decrease in the number of colors needed to color that graph cannot be by more than one. Wikipedia →

đź§­ Start here: a 6-step reading path

  1. Read the overview: Critical graphA 5-minute orientation
  2. Skim a recent paper: A critical review on graphitic carbon nitride (g-C3N4)-based materials: Preparation, modification and environmental applicationInfluential work since 2022
  3. Pick up a classic book: Graphs, Networks and DesignThe most-reprinted book on the subject
  4. Read the landmark paper: Feynman-Graph Expansion for Critical ExponentsCited 577 times
  5. Go sideways: Hadwiger conjecture (graph theory)A closely related topic
  6. Go sideways: HajĂłs constructionA closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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