Author

Sepehr Hajebi

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Open access Sep 2026

Bull-free graphs and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>χ</mml:mi> </mml:math> -boundedness

<jats:p> A <jats:italic>bull</jats:italic> is a graph obtained from a four-vertex path by adding a vertex adjacent to the two middle vertices of the path. A graph <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">...

Sepehr Hajebi · Innovations in Graph Theory · 0 citations