Geodesic
On the problems with background independence in string theory
Algebra i analiz, Tome 6 (1994) no. 2, pp. 215-226.

Voir la notice de l'article provenant de la source Math-Net.Ru

The problems with background independence are discussed in the example of open string theory. Based on the recent proposal by Witten I calculate the String Field Theory action in the second order of conformal perturbation theory and demonstrate that the proper treatment of contact terms leads to nontrivial equations of motion. I conjecture the form of the field theory action to all orders. 
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     author = {S. L. Shatashvili},
     title = {On the problems with background independence in string theory},
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S. L. Shatashvili. On the problems with background independence in string theory. Algebra i analiz, Tome 6 (1994) no. 2, pp. 215-226. http://geodesic.mathdoc.fr/item/AA_1994_6_2_a9/