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math.AG2006
On Harder-Narasimhan reductions for Higgs principal bundles
Arijit Dey, R Parthasarathi
The existence and uniqueness of H-N reduction for the Higgs principal bundles over nonsingular projective variety is shown. We also extend the notion of H-N reduction for (Γ, G)-bu…
math.AG2006
Parabolic bundles on algebraic surfaces I- the Donaldson--Uhlenbeck compactification
V. Balaji, A. Dey, R. Parthasarathi
The aim of this paper is to construct the parabolic version of the Donaldson--Uhlenbeck compactification for the moduli space of parabolic stable bundles on an algenraic surface wi…