Uniqueness and shooting classification of non-collapsed steady solitons on line bundles

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Let LkL_k be a line bundle over (M^,ω)(\hat{M},\omega), with k>p(M^,ω)k>p(\hat{M},\omega), and consider the class of metrics specified in the paper, normalized by b(0)=1b(0)=1. A steady soliton is non-collapsed if it is the complete non-collapsed steady soliton described in the main theorem. Uniqueness and shooting conjecture. The complete non-collapsed steady soliton is unique up to scaling and isometry in this metric class. Moreover, there exists f0∗∈Rf^{\ast}_0\in\mathbb{R} such that f”(0)>f0∗f”(0)>f^{\ast}_0 yields an incomplete metric, f”(0)=f0∗f”(0)=f^{\ast}_0 yields a complete non-collapsed steady soliton, and f”(0)<f0∗f”(0)<f^{\ast}_0 yields a complete collapsed steady soliton. The conjecture is supported by numerical integration of the soliton equations, but no proof or resolution is given here.

References

Primary source

Alexander Appleton, “A family of non-collapsed steady Ricci solitons in even dimensions greater or equal to four”, arXiv:1708.00161 (2022).

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