Uniqueness conjecture for the triangulordinary filtration on the eigencurve

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Let E0\mathscr{E}^0 be the semistable, distinct-eigenvalue locus of the eigencurve, let V0\mathscr{V}^0 be its rank-22 family of Galois representations, and set

D0=Drig⁡†(V0∣Gp).\mathscr{D}^0=\mathbf{D}^\dag_{\operatorname{rig}}(\mathscr{V}^0|_{G_p}).

For each x∈E0,alg⁡x\in\mathscr{E}^{0,\operatorname{alg}}, write Fx1F_x^1 for the canonical rank-11 step in the triangulordinary filtration of Drig⁡†(Vfxhom⁡∣Gp)\mathbf{D}^\dag_{\operatorname{rig}}(V_{f_x}^{\operatorname{hom}}|_{G_p}). Eigencurve triangulordinary-filtration conjecture. There exists a unique filtration

D0⊋F1⊋0\mathscr{D}^0\supsetneq F^1\supsetneq0

by a (φ,ΓQp)(\varphi,\Gamma_{\mathbb{Q}_p})-stable locally OE0⊗^Brig⁡,Qp†\mathcal{O}_{\mathscr{E}^0}{\widehat{\otimes}}B^\dag_{\operatorname{rig},\mathbb{Q}_p}-direct summand F1F^1 of rank 11, such that for every x∈E0,alg⁡x\in\mathscr{E}^{0,\operatorname{alg}}, (F1)x=Fx1(F^1)_x=F_x^1 under the stated identification of fibers. This predicts that the pointwise triangulordinary filtrations on classical eigencurve points interpolate uniquely over the whole eigencurve; the source gives no resolution.

References

Primary source

Jonathan Pottharst, “Triangulordinary Selmer Groups”, arXiv:0805.2572 (2008).

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