# Publications by Year: Forthcoming

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Integration of Singular Subalgebroids by diffeological groupoids. [Internet]. Forthcoming. Publisher's VersionAbstract

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Androulidakis I. Coordinates for non-integrable Lie algebroids. [Internet]. Forthcoming. Publisher's VersionAbstract

We construct local coordinates for the Weinstein groupoid of a non-integrable Lie algebroid. To this end, we reformulate the notion of bi-submersion in a completely algebraic way and prove the existence of bi-submersions as such for the Weinstein groupoid. This implies that a C*-algebra can be attached to every Lie algebroid.

Androulidakis I, Zambon M. Integration of Singular Subalgebroids by diffeological groupoids. [Internet]. Forthcoming. Publisher's VersionAbstract

We establish an integration theory for singular subalgebroids, by diffeological groupoids. To do so, we single out a class of diffeological groupoids satisfying specific properties, and we introduce a differentiation-integration procedure under which they correspond to singular subalgebroids. Our definition of integration distinguishes the holonomy groupoid from the graph, although both differentiate to the original singular subalgebroid: the holonomy groupoid satisfies a certain submersive property, while the graph does not.

National and Kapodistrian University of Athens,

Department of Mathematics

(+30) 210-7276423

Panepistimiopolis Zografou

Athens, ZipCode 157-84

iandroul@math.uoa.gr