Symplectic and contact differential graded algebras

T Ekholm, A Oancea - Geometry & Topology, 2017 - msp.org
We define Hamiltonian simplex differential graded algebras (DGA) with differentials that
deform the high-energy symplectic homology differential and wrapped Floer homology …

Chekanov-Eliashberg dg-algebras for singular Legendrians

J Asplund, T Ekholm - arXiv preprint arXiv:2102.04858, 2021 - arxiv.org
The Chekanov-Eliashberg dg-algebra is a holomorphic curve invariant associated to
Legendrian submanifolds of a contact manifold. We extend the definition to Legendrian …

Non-loose Legendrian spheres with trivial contact homology DGA

T Ekholm - Journal of Topology, 2016 - academic.oup.com
Loose Legendrian-submanifolds,, were introduced by Murphy ('Loose Legendrian
embeddings in high dimensional contact manifolds', Preprint, 2012, arXiv: 1201.2245) and …

Duality between Lagrangian and Legendrian invariants

T Ekholm, Y Lekili - Geometry & Topology, 2023 - msp.org
Consider a pair (X, L) of a Weinstein manifold X with an exact Lagrangian submanifold L,
with ideal contact boundary (Y, Λ), where Y is a contact manifold and Λ⊂ Y is a Legendrian …

Legendrian knots and exact Lagrangian cobordisms.

T Ekholm, K Honda, T Kálmán - Journal of the European Mathematical …, 2016 - ems.press
We introduce constructions of exact Lagrangian cobordisms with cylindrical Legendrian
ends and study their invariants which arise from Symplectic Field Theory. A pair (X, L) …

[PDF][PDF] Legendrian contact homology in

JB Etnyre, LL Ng - Surveys in differential geometry, 2020 - par.nsf.gov
Legendrian contact homology in R3 Page 1 Surveys in Differential Geometry XXV
Legendrian contact homology in R3 John B. Etnyre and Lenhard L. Ng Abstract. This is an …

[PDF][PDF] Legendrian contact homology in

JB Etnyre, LL Ng - arXiv preprint arXiv:1811.10966, 2018 - arxiv.org
arXiv:1811.10966v5 [math.SG] 20 Apr 2023 Page 1 LEGENDRIAN CONTACT HOMOLOGY IN
R3 JOHN B. ETNYRE AND LENHARD L. NG Abstract. This is an introduction to Legendrian …

Hamiltonian Floer homology for compact convex symplectic manifolds

S Lanzat - Beiträge zur Algebra und Geometrie/Contributions to …, 2016 - Springer
We construct absolute and relative versions of Hamiltonian Floer homology algebras for
strongly semi-positive compact symplectic manifolds with convex boundary, where the ring …

Nijenhuis infinity and contractible differential graded manifolds

SA Merkulov - Compositio Mathematica, 2005 - cambridge.org
we find a minimal differential graded (dg) operad whose generic representations in which
satisfy the nijenhuis integrability condition. this operad is of a surprisingly simple origin: it is …

[PDF][PDF] An L∞ structure for Legendrian contact homology

L Ng, L An - arXiv preprint arXiv:2311.14614, 2023 - services.math.duke.edu
For any Legendrian knot or link in R 3, we construct an L∞ algebra that can be viewed as an
extension of the Chekanov–Eliashberg differential graded algebra. The L∞ structure …