In the present paper, we give for the first time a general construction of compactified moduli spaces for semistable -bundles on an irreducible complex projective curve with exactly one node, a semisimple linear algebraic group over the complex numbers.
Cite this article
Alexander H. W. Schmitt, Singular principal G-bundles on nodal curves. J. Eur. Math. Soc. 7 (2005), no. 2, pp. 215–251DOI 10.4171/JEMS/27