Depth formula conjecture for squarefree powers of wheel edge ideals
Depth formula conjecture for squarefree powers of wheel edge ideals
Let be the wheel graph on vertices, let be its edge ideal in , and let denote its matching number. For integers and , consider the -th squarefree power . Depth conjecture for wheel squarefree powers. For all such and ,
equivalently,
The conjecture is suggested by the complete computations reported for wheels with in the relevant low-power cases, together with the top-power cases for . It would give a uniform depth and projective-dimension formula throughout the full range of squarefree powers, beyond the computational evidence currently recorded.
Sources & referencesView supporting material
Primary source
Bilal Ahmad Wani and Uzair Rafiq Shah, “A Join-Matching Theorem for Squarefree Powers of Edge Ideals, with Applications to Wheel and Related Graphs”, arXiv:2607.04964 (2026).
Additional references
3 papers in this index state this conjecture (2026). The statement above is taken from the most recent of them; the others are arXiv:2607.04231, arXiv:2603.02824.
Progress summary
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