Transverse analytic envelopes and integrability
Abstract
We associate normal toric transverse analytic envelopes with the singular orbits of diagonal holomorphic actions, and construct their canonical flat transport. At independent singular supports, the semiglobal first-integral algebra is determined by periodic resonances; complete integrability is equivalent to full resonance rank and finite envelope monodromy. We classify labelled residual actions with a fixed envelope by Grassmannian families and reconstruct the ambient weights from the labelled quotient and logarithmic residues at full resonance rank. For commuting vector fields in convergent simultaneous semisimple normal form, we identify the algebra of holomorphic first integrals with the common kernel of the derivations induced on the toric envelope. Under compatible flat transport this yields a semiglobal criterion. Polynomial examples show that losses of first integrals may be invisible to any prescribed finite jet.
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BibTeX
@misc{correa2026transverse,
title = {{Transverse analytic envelopes and integrability}},
author = {Maurício Corrêa and José Seade},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2609.05197},
eprint = {2609.05197},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.05197},
}
RIS
TY - UNPB
TI - Transverse analytic envelopes and integrability
AU - Maurício Corrêa
AU - José Seade
PY - 2026
DA - 2026/10/14
PB - arXiv
DO - 10.48550/arxiv.2609.05197
UR - https://arxiv.org/abs/2609.05197
AB - We associate normal toric transverse analytic envelopes with the singular orbits of diagonal holomorphic actions, and construct their canonical flat transport. At independent singular supports, the semiglobal first-integral algebra is determined by periodic resonances; complete integrability is equivalent to full resonance rank and finite envelope monodromy. We classify labelled residual actions with a fixed envelope by Grassmannian families and reconstruct the ambient weights from the labelled quotient and logarithmic residues at full resonance rank. For commuting vector fields in convergent simultaneous semisimple normal form, we identify the algebra of holomorphic first integrals with the common kernel of the derivations induced on the toric envelope. Under compatible flat transport this yields a semiglobal criterion. Polynomial examples show that losses of first integrals may be invisible to any prescribed finite jet.
ER -