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 …

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 …

[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 …

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 …

[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 …

Holomorphic curves for Legendrian surgery

T Ekholm - arXiv preprint arXiv:1906.07228, 2019 - arxiv.org
Let $ X $ be a Weinstein manifold with ideal contact boundary $ Y $. If $\Lambda\subset Y $
is a link of Legendrian spheres in $ Y $ then by attaching Weinstein handles to $ X $ along …

Functorial LCH for immersed Lagrangian cobordisms

Y Pan, D Rutherford - arXiv preprint arXiv:1905.08730, 2019 - arxiv.org
For $1 $-dimensional Legendrian submanifolds of $1 $-jet spaces, we extend the
functorality of the Legendrian contact homology DG-algebra (DGA) from embedded exact …

[HTML][HTML] Computable Legendrian invariants

LL Ng - Topology, 2003 - Elsevier
We establish tools to facilitate the computation and application of the Chekanov–Eliashberg
differential graded algebra (DGA), a Legendrian-isotopy invariant of Legendrian knots and …

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 …

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) …