Tamagawa number conjecture for in analytic rank zero
Tamagawa number conjecture for in analytic rank zero
Let be a critical motive over with coefficient field , let , and let be a stable -lattice in the associated representation . Assume the Bloch–Kato Selmer groups and vanish. Choose an -basis whose comparison image is an -basis of , and let be the dual basis in . Tamagawa number conjecture. If , then and there is an -basis
such that the localization and dual-exponential composition sends to
Here is obtained by removing the Euler factors at places in . This is an integral refinement of the Tamagawa number conjecture in analytic rank zero, relating an integral determinant element to the normalized special value of the -function. The source gives no resolution.
Sources & referencesView supporting material
Primary source
Takamichi Sano, “On the Tamagawa number conjecture for modular forms twisted by anticyclotomic Hecke characters”, arXiv:2510.01601 (2025).
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