activity
20102026
most citedQuasifolds, Diffeology and Noncommutative Geometry

13 citations · 14 across the 14 of their papers we have counts for

collaborators

15 papers

q-bio.NC2026

Does the motor cortex draw on a wire plane?

Patrick Iglesias-Zemmour

The two-thirds power law of human motor control () is geometrically equivalent to constant equi-affine speed. In classical differential geometry, however, the e…

math.DG2026

Bosonic and Fermionic Singularities in Diffeology

Patrick Iglesias-Zemmour

We explore the differential geometry of the quadrant , equipped with the subset diffeology of . We show a striking dichotomy between differential…

math-ph2026

Geometric Quantization by Paths, Part III: The Metaplectic Anomaly

Patrick Iglesias-Zemmour

In the previous parts of this work, we established the Prequantum Groupoid as the universal geometric container for quantum mechanics. This approach, which we call t…

math.DG2026

Geometric Quantization by Paths Part II: The General Case

Patrick Iglesias-Zemmour

In Part I, we constructed the prequantum groupoid for connected and simply connected parasymplectic spaces. This second part extends the construction to arbitrary connected parasym…

math.DG2025

A Conformal Co-Symplectic Structure on the Space of Pseudo-Riemannian Geodesics

Patrick Iglesias-Zemmour

The classical construction of the symplectic structure on the space of geodesic trajectories via Hamiltonian reduction fails in the pseudo-Riemannian setting due to a dimensional m…

math.DG2025

Groupoids in Diffeology

Patrick Iglesias-Zemmour

This expository paper recounts the development and application of the concept of the diffeological groupoid, from its introduction in 1985 to its use in current research. We demons…

math.DG2025

On Diffeology of Orbit Spaces

Serap Gürer, Patrick Iglesias-Zemmour

We investigate the correspondence between the geometry of a smooth compact Lie group action on a manifold and the intrinsic smooth structure of the orbit space $\mathr…

math.HO2025

The Geometry of Motions, Vol. I: Mechanics as Geometries

Patrick Iglesias-Zemmour

This work presents a group-theoretic interpretation of the historical evolution of mechanics, proposing that each fundamental theory of motion corresponds to a distinct geometry in…

math-ph2025

Geometric Quantization by Paths -- Part I: The Simply Connected Case

Patrick Iglesias-Zemmour

For any connected and simply connected parasymplectic space with group of periods , we construct a prequantum groupoid $\pmb{\ma…

math.DG2025

Why Diffeology?

Patrick Iglesias-Zemmour

Diffeology extends differential geometry to spaces beyond smooth manifolds. This paper explores diffeology's key features and illustrates its utility with examples including singul…

math.DG2025

A Non-Trivial Principal Bundle over a Contractible Base?

Patrick Iglesias-Zemmour

We investigate the properties of a specific quotient space construction, the "warped projection'" , over a smoothly contractible base. In a previous version of this…

math-ph2025

Diffeology and Arithmetic of Irrational Tori

Patrick Iglesias-Zemmour

The irrational torus, , originally introduced as a geometric model for quasicrystals, is a foundational object in the theory of diffeology. This paper, after recallin…

math.DG2020★ 13 cited

Quasifolds, Diffeology and Noncommutative Geometry

Patrick Iglesias-Zemmour, Elisa Prato

After embedding the objects quasifolds into the category {Diffeology}, we associate a C*-agebra with every atlas of any quasifold, and show how different atlases give Morita equiva…

math.SG2012★ 1 cited

Primary Spaces, Mackey's Obstruction, and the Generalized Barycentric Decomposition

Patrick Iglesias-Zemmour, Francois Ziegler

We call a hamiltonian N-space \emph{primary} if its moment map is onto a single coadjoint orbit. The question has long been open whether such spaces always split as (homogeneous) x…

math.DG2010

Smooth Lie group actions are parametrized diffeological subgroups

Patrick Iglesias-Zemmour, Yael Karshon

We show that every effective smooth action of a Lie group G on a manifold M is a diffeomorphism from G onto its image in Diff(M), where the image is equipped with the subset diffeo…