Extremizers for adjoint restriction to a pair of reflected paraboloids

Extremizers for adjoint restriction to a pair of reflected paraboloids
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用于一对反射抛物面的伴随限制的极端器

DOI:
10.1016/j.jfa.2023.110207
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发表时间:
2024
影响因子:
1.7
通讯作者:
Tautges, James
Tautges, James
中科院分区:
数学1区
文献类型:
--
作者:
Tautges, James

文献摘要

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我们考虑在Stein-Tomas指数下与超曲面{(τ,ξ):τ=±|ξ|2,ξ∈Rd})有关的伴随限制不等式。极限化子存在于所有维度,极值序列是预紧模对称的,条件是一定的不等式,我们在d∈{1,2}的情况下证明了这一点。
We consider the adjoint restriction inequality associated to the hypersurface {(τ, ξ): τ=±| ξ| 2, ξ∈ R d} at the Stein-Tomas exponent. Extremizers exist in all dimensions and extremizing sequences are precompact modulo symmetries conditional on a certain inequality, which we verify in the case d∈{1, 2}.