Operator approach to the Gluing Theorem in String Field Theory

TL;DR

This paper provides an algebraic proof of the Gluing Theorem in String Field Theory at tree level, with discussions on its applications to closed string non-polynomial actions.

Contribution

It introduces a novel algebraic proof of the Gluing Theorem, enhancing understanding of string interactions at tree level.

Findings

Algebraic proof of the Gluing Theorem established

Applications to closed string non-polynomial actions discussed

Theorem's role in string interaction modeling clarified

Abstract

An algebraic proof of the Gluing Theorem at tree level of perturbation theory in String Field Theory is given. Some applications of the theorem to closed string non-polynomial action are briefly discussed