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SUMMARY:Victor Nistor (Université de Lorraine\, France)
DTSTART:20210224T160000Z
DTEND:20210224T170000Z
DTSTAMP:20260404T111006Z
UID:ADGIS/1
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/ADGIS
 /1/">Analysis on singular and non-compact spaces and Lie manifolds</a>\nby
  Victor Nistor (Université de Lorraine\, France) as part of Analysis and 
 Differential Geometry International Seminar @ Aveiro\n\n\nAbstract\nI will
  begin by reviewing some classical results on the analysis on compact mani
 folds and on manifolds with conical points (due to Kondratiev and others).
  It turns out that many of these classical results generalize to a larger 
 class of singular or non-compact spaces defined using Lie algebroids and L
 ie manifolds. Since we will treat singular spaces by blowing them up to a 
 non-compact manifold\, I will refer in the following only to non-compact m
 anifolds.\n\nIn order to obtain the mentioned generalizations\, I will str
 ess the role of Lie algebroids and hence of suitable classes of vector fie
 lds in modelling the geometry at infinity\, which is at the heart of the d
 efinition of a Lie manifold. As an example\, I will explain how to obtain 
 Fredholm conditions for the natural operators on suitable Lie manifolds. T
 he results of this talk are based\, in part\, on joint work with Ammann\, 
 Carvalho\, and Yu.\n
LOCATION:https://stable.researchseminars.org/talk/ADGIS/1/
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BEGIN:VEVENT
SUMMARY:Michael Ruzhansky (Ghent University)
DTSTART:20210317T160000Z
DTEND:20210317T170000Z
DTSTAMP:20260404T111006Z
UID:ADGIS/2
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/ADGIS
 /2/">Nonharmonic operator analysis</a>\nby Michael Ruzhansky (Ghent Univer
 sity) as part of Analysis and Differential Geometry International Seminar 
 @ Aveiro\n\nAbstract: TBA\n\nAbstract: In this talk we will give an overvi
 ew of our recent works related to a nonharmonic theory of pseudo-different
 ial operators. The results apply\, in particular\, to differential operato
 rs on manifold with and without boundaries.\n
LOCATION:https://stable.researchseminars.org/talk/ADGIS/2/
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BEGIN:VEVENT
SUMMARY:Davide Barilari (Università degli Studi di Padova)
DTSTART:20210413T150000Z
DTEND:20210413T160000Z
DTSTAMP:20260404T111006Z
UID:ADGIS/3
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/ADGIS
 /3/">On the Brunn-Minkovski inequality and sub-Riemannian curvature</a>\nb
 y Davide Barilari (Università degli Studi di Padova) as part of Analysis 
 and Differential Geometry International Seminar @ Aveiro\n\n\nAbstract\nTh
 e classical Brunn-Minkovski inequality in the Euclidean space generalizes 
 to Riemannian manifolds with Ricci curvature bounded from below. Indeed th
 is inequality can be used to define the notion of "Ricci curvature bounded
  from below" for more general metric spaces. A class of spaces which do no
 t satisfy this more general definition is the one of sub-Riemannian manifo
 lds: these can be seen as a limit of Riemannian manifolds having Ricci cur
 vature that is unbounded\, whose prototype is the Heisenberg group. \n\nIn
  the first part of the talk I will discuss about the validity of a Brunn-M
 inkovsky type inequality in the SR setting. The second part concerns a not
 ion of sub-Riemannian Bakry-Émery curvature and the corresponding compari
 son theorems for distortion coefficients. The model spaces for comparison 
 are variational problems coming from optimal control theory.\n
LOCATION:https://stable.researchseminars.org/talk/ADGIS/3/
END:VEVENT
BEGIN:VEVENT
SUMMARY:Robert Yuncken
DTSTART:20210630T150000Z
DTEND:20210630T160000Z
DTSTAMP:20260404T111006Z
UID:ADGIS/4
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/ADGIS
 /4/">Hypoelliptic operators\, pseudodifferential calculi and groupoids</a>
 \nby Robert Yuncken as part of Analysis and Differential Geometry Internat
 ional Seminar @ Aveiro\n\nAbstract: TBA\n
LOCATION:https://stable.researchseminars.org/talk/ADGIS/4/
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