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Bulk Correlation Functions in 2d Quantum Gravity
Teoretičeskaâ i matematičeskaâ fizika, Tome 146 (2006) no. 1, pp. 132-145 Cet article a éte moissonné depuis la source Math-Net.Ru

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We compute the bulk three- and four-point tachyon correlators in the 2d Liouville gravity with a nonrational matter central charge $c < 1$, using and comparing two approaches. The continuous CFT approach exploits the action on the tachyons of the ground-ring generators deformed with Liouville and matter screening charges. We derive a general formula for the matter three-point OPE structure constants as a by-product. The discrete formulation of the theory is a generalization of the $ADE$ string theories, in which the target space is the semi-infinite chain of points.
Keywords: noncritical strings, conformal field theory, two-dimensional gravity, loop gas. 
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I. K. Kostov; V. B. Petkova. Bulk Correlation Functions in 2d Quantum Gravity. Teoretičeskaâ i matematičeskaâ fizika, Tome 146 (2006) no. 1, pp. 132-145. http://geodesic.mathdoc.fr/item/TMF_2006_146_1_a10/

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