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Two-dimensional QCD and instanton contribution

A. Bassetto, L. Griguolo, F. Vian

hep-tharXiv:hep-th/9911036

Abstract

In these notes Yang-Mills theories in 1+1 dimensions are reviewed. Instantons on a sphere prove to be -in the decompactification limit- the key issue to clarify an old controversy between equal-time and light-front quantization.

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