Buddhadev Hajra

Buddhadev Hajra
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Buddhadev verified their affiliation via an institutional email.
Chennai Mathematical Institute · Chennai Mathematical Institute

PhD

About

4
Publications
833
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1
Citation
Additional affiliations
February 2022 - July 2022
Indian Institute of Technology Bombay
Position
  • Postdoctoral Fellow
July 2016 - April 2022
Indian Institute of Technology Bombay
Position
  • PhD
Education
July 2014 - July 2016
Indian Institute of Technology Bombay
Field of study
  • Mathematics

Publications

Publications (4)
Preprint
A topological space (not necessarily simply connected) is said to have finite homotopy rank-sum if the sum of the ranks of all higher homotopy groups (from the second homotopy group onward) is finite. In this article, we characterize the smooth compact complex Kaehler surfaces having finite homotopy rank-sum. We also prove the Steinness of the univ...
Article
Full-text available
In this paper, we will give a classification of smooth complex affine Eilenberg–MacLane surfaces of non-general type. We also give a result about smooth complex projective Eilenberg–MacLane surfaces assuming an affirmative answer to a conjecture of Shafarevich.
Article
In this paper, we discuss various results about variation of the local fundamental group of normal complex spaces. It is proved that the finite Galois descent of upper semicontinuity of the local fundamental group holds at a factorial complex analytic germ. We also show by an example that finite Galois descent of upper semicontinuity of the local f...
Article
Full-text available
In this paper we will give a short proof of a special case of Zariski’s result about finite generation in connection with Hilbert’s 14th problem using a new idea. Our result is useful for invariant subrings of unipotent or connected semisimple groups. We will also prove an analogue of Miyanishi’s result for the ring of invariants of a Ga\documentcl...

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