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Cohomology of Conformal Algebras
Quantum Algebra · Submitted 7 Mar 1998
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In the present paper we develop a cohomology theory of conformal algebras with coefficients in an arbitrary module.
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The abstract, sentence by sentence
Conformal algebra is an axiomatic description of the operator product expansion of chiral fields in conformal field theory. On the other hand, it is an adequate tool for the study of infinite-dimensional Lie algebras satisfying the locality property. The main examples of such Lie algebras are those ``based'' on the punctured complex plane, like the Virasoro algebra and loop algebras. In the present paper we develop a cohomology theory of conformal algebras with coefficients in an arbitrary module. It possesses standard properties of cohomology theories; for example, it describes extensions and deformations. We offer explicit computations for most of the important examples.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Conformal algebra is an axiomatic description of the operator product expansion of chiral fields in conformal field theory. | background 1.00 | 0.04 | 0.03 | asserted 1.00 |
| s1 | On the other hand, it is an adequate tool for the study of infinite-dimensional Lie algebras satisfying the locality property. | background 1.00 | 0.07 | 0.03 | asserted 1.00 |
| s2 | The main examples of such Lie algebras are those ``based'' on the punctured complex plane, like the Virasoro algebra and loop algebras. | background 1.00 | 0.05 | 0.02 | asserted 1.00 |
| s3 | In the present paper we develop a cohomology theory of conformal algebras with coefficients in an arbitrary module. | contribution 1.00 | 0.95 | 0.35 | asserted 1.00 |
| s4 | It possesses standard properties of cohomology theories; for example, it describes extensions and deformations. | result 0.63 | 0.57 | 0.16 | asserted 0.99 |
| s5 | We offer explicit computations for most of the important examples. | contribution 0.71 | 0.94 | 0.19 | asserted 1.00 |
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Original abstract
Conformal algebra is an axiomatic description of the operator product expansion of chiral fields in conformal field theory. On the other hand, it is an adequate tool for the study of infinite-dimensional Lie algebras satisfying the locality property. The main examples of such Lie algebras are those ``based'' on the punctured complex plane, like the Virasoro algebra and loop algebras. In the present paper we develop a cohomology theory of conformal algebras with coefficients in an arbitrary module. It possesses standard properties of cohomology theories; for example, it describes extensions and deformations. We offer explicit computations for most of the important examples.
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