Mon, September 7, 2020
Public Access

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September 2020
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3:00pm [3:00pm] Tamalika Koley, Indian Statistical Institute
Date and Time: Monday 07 September, 03.00pm - 04.00pm (joining time: 2.45pm - 3.00pm) Meeting link: Speaker: Tamalika Koley, Indian Statistical Institute Title: Current Status data with competing risks and missing failure types Abstract: Various studies on current status data with or without competing risks are present in the literature. In competing risks set up missing or uncertainty in failure types is a very common phenomenon. When observation on true failure type is not available, one observes a set of possible types containing the true cause. This gives rise to uncertainty in the true cause for the occurrence of the event of interest. As per our knowledge, the missing failure types in current status data with competing risks has not received much attention. The main purpose of this work is to focus and highlight this less-explored area of research. Throughout, for simplicity it is worked with two competing risks and both parametric and non-parametric analyses are carried out.

4:00pm [4:00pm] Sarbeswar Pal, IISER Trivandrum
Speaker: Sarbeswar Pal, IISER Trivandrum Time: Monday 7th September 4 to 5pm (joining time 3.50pm) Google Meet Link: Title: Irreducibility of the moduli space of vector bundles over a very general sextic surface. Abstract: In this talk we will discuss the irreducibility question of the moduli space of vector bundles over surfaces. More precisely we will study the irreducibility question over a very general sextic surface. Our technique is to use O’Grady’s method of deformation to the boundary as it was exploited by Nijsse in the case of a very general quintic hypersurface. We will discuss the main difficulties of using Nijsse's method and how to overcome that.