The salvaged residual-representation ghost conjecture
Let , and let be a residual Galois representation that is regular in the sense specified in the paper. For each , write , and let be the ghost series associated with . Let denote the -isotypic component of the overconvergent -adic cuspforms of weight . The salvaged residual-representation ghost conjecture. For every , the Newton polygon of equals the Newton polygon of the characteristic series of the -operator acting on . This is the paper's proposed correction to the original ghost conjecture; the regularity condition is included because the original prediction fails in the oversight cases, while the conjecture is supported by theoretical and computational evidence.
References
Primary source
John Bergdall and Robert Pollack, “Slopes of modular forms and reducible Galois representations: an oversight in the ghost conjecture”, arXiv:2110.07973 (2022).
Additional references
2 papers in this index state this conjecture (2017–2021). The statement above is taken from the most recent of them; the others are arXiv:1710.01572.
Progress summary
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