2101.00568
Almost automorphy of minimal sets for C1-smooth strongly monotone skew-product semiflows on Banach spaces
Yi Wang, Jinxiang Yao
correctmedium confidence
- Category
- math.DS
- Journal tier
- Specialist/Solid
- Processed
- Sep 28, 2025, 12:55 AM
- arXiv Links
- Abstract ↗PDF ↗
Audit review
The paper proves Theorem 3.1 by constructing a compact, strongly positive cocycle on the fibered pair space K×_Y K (via the hybrid operator T) and establishing exponential separation with an internal growth control (Proposition 2.5(v)), then deriving two crucial facts: (i) close unordered pairs converge forward (Proposition 3.3), and (ii) unordered pairs are negatively distal (Proposition 3.4). These yield P(K) = O(K), the distal quotient (Ỹ,R), and the factorization p = p̃∘p*, with p* almost 1–1 and p̃ an N–1 extension; if (Y,R) is almost periodic, then (K,R) is almost automorphic (Theorem 3.1) . The model’s outline reverses both key lemmas (it claims uniform forward separation for unordered pairs and negative distality for ordered pairs), contradicting Proposition 3.3 and Proposition 3.4 in the paper; although the model reaches the same end conclusions, its core logic is incorrect .
Referee report (LaTeX)
\textbf{Recommendation:} minor revisions
\textbf{Journal Tier:} specialist/solid
\textbf{Justification:}
The manuscript extends a well-known C1,α result to the C1 setting by introducing an internal growth control within exponential separation on a pair-bundle, bypassing Pesin-theoretic machinery. The proofs are careful and technically sound; the contribution is of interest to specialists in monotone dynamics and nonautonomous differential equations. Minor clarifications would further improve readability.