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math.AP2026
Sharp Logarithmic Ultra-analyticity for Fractional and Nonlocal Elliptic Equations
Hongjie Dong, Yeyao Hu, Ming Wang
It is well known that solutions of elliptic equations inherit analyticity from analytic coefficients, while much less is understood about the inheritance of ultra-analytic regulari…
math.AP2024
Log-type ultra-analyticity of elliptic equations with gradient terms
Hongjie Dong, Ming Wang
It is well known that every solution of an elliptic equation is analytic if its coefficients are analytic. However, less is known about the ultra-analyticity of such solutions. Thi…