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Nonbinary quantum error-correcting codes from algebraic curves (0)

by J-L Kim, J L Walker
Venue:Discrete Math
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Nonbinary quantum Reed-Muller codes

by P K Sarvepalli, A Klappenecker - In Proc. Int. Symp. Inform. Theory , 2005
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...f C1 ⊂ C2 and d = min wt{(C1) ∪ (C ⊥ 1 )} if C1 = C2. Then there exists an [[n, k2 − k1, d]]q quantum code. Proof: See for instance [4] for the CSS construction of binary codes and [6, Theorem 3] and =-=[9]-=- for its q-ary generalizations. Theorem 1: For 0 ≤ ν1 ≤ ν2 ≤ m(q − 1) − 1, there exists a pure [[q m , k(ν2) − k(ν1), min{d(ν ⊥ 1 ), d(ν2)}]]q quantum stabilizer code, where the parameters k(ν) and d(...

Nonbinary Stabilizer Codes

by Pradeep Kiran Sarvepalli, Salah A. Aly, Andreas Klappenecker
"... Recently, the field of quantum error-correcting codes has rapidly emerged as an important discipline. As quantum information is extremely sensitive to noise, it seems unlikely that any large scale quantum computation is feasible without quantum error-correction. In this paper we give a brief exposi ..."
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Recently, the field of quantum error-correcting codes has rapidly emerged as an important discipline. As quantum information is extremely sensitive to noise, it seems unlikely that any large scale quantum computation is feasible without quantum error-correction. In this paper we give a brief exposition of the theory of quantum stabilizer codes. We review the stabilizer formalism of quantum codes, establish the connection between classical codes and stabilizer codes and the main methods for constructing quantum codes from classical codes. In addition to the expository part, we include new results that cannot be found elsewhere. Specifically, after reviewing some important bounds for quantum codes, we prove the nonexistence of pure perfect quantum stabilizer codes with minimum distance greater than 3. Finally, we illustrate the general methods of constructing quantum codes from classical codes by explicitly constructing two new families of quantum codes and conclude by showing how to construct new quantum codes by shortening.

CODES AS FRACTALS AND NONCOMMUTATIVE SPACES

by Matilde Marcolli, Christopher Perez , 1107
"... Abstract. We consider the CSS algorithm relating self-orthogonal classical linear codes to q-ary quantum stabilizer codes and we show that to such a pair of a classical and a quantum code one can associate geometric spaces constructed using methods from noncommutative geometry, arising from rational ..."
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Abstract. We consider the CSS algorithm relating self-orthogonal classical linear codes to q-ary quantum stabilizer codes and we show that to such a pair of a classical and a quantum code one can associate geometric spaces constructed using methods from noncommutative geometry, arising from rational noncommutative tori and finite abelian group actions on Cuntz algebras and fractals associated to the classical codes. 1.
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...t in the field Fq and Tr : Fpm → Fp the standard trace Tr(x) = ∑m−1 k=0 xpk. This procedure that constructs quantum stabilizer codes from classical self-orthogonal linear codes was further refined in =-=[17]-=-, but for our purposes here this description suffices. 2. Quantum codes and rational noncommutative tori In this section we show that the data of quantum stabilizer codes described above can also be d...

QUANTUM STABILIZER CODES AND BEYOND

by Pradeep Kiran Sarvepalli , 2008
"... The importance of quantum error correction in paving the way to build a practical quantum computer is no longer in doubt. Despite the large body of literature in quantum coding theory, many important questions, especially those centering on the issue of “good codes” are unresolved. In this dissertat ..."
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The importance of quantum error correction in paving the way to build a practical quantum computer is no longer in doubt. Despite the large body of literature in quantum coding theory, many important questions, especially those centering on the issue of “good codes” are unresolved. In this dissertation the dominant underlying theme is that of constructing good quantum codes. It approaches this problem from three rather different but not exclusive strategies. Broadly, its contribution to the theory of quantum error correction is threefold. Firstly, it extends the framework of an important class of quantum codes – nonbinary stabilizer codes. It clarifies the connections of stabilizer codes to classical codes over quadratic extension fields, provides many new constructions of quantum codes, and develops further the theory of optimal quantum codes and punctured quantum codes. In particular it provides many explicit constructions of stabilizer codes, most notably it simplifies the criteria by which quantum BCH codes can be constructed from classical codes. Secondly, it contributes to the theory of operator quantum error correcting codes also called as subsystem codes.

Algebraic Geometry and Coding Theory -- More than . . .

by Judy L. Walker , 2011
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Upper Bounds on Minimum Distance of Nonbinary Quantum Stabilizer Codes.

by Sue Geller, Rabi Mahapatra, Valerie Taylor , 2004
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Major Subject: Computer Science

by Sue Geller, Rabi Mahapatra , 2004
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1 Quantum Stabilizer Codes from Maximal Curves

by Lingfei Jin
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...nstruct Hermitian self-orthogonal classical codes than Euclidean self-orthogonal classical codes. A good family of Hermitian self-orthogonal classical codes is from algebraic geometry codes [4], [5], =-=[6]-=-. For instance, in [4], a family of Hermitian self-orthogonal generalized ReedSolomon codes is constructed and consequently a family of quantum MDS codes is produced. However, the situation is not alw...

ON THE THEORY OF Fq-LINEAR Fq t-CODES

by W. Cary Huffman , 2013
"... In [7], self-orthogonal additive codes over F4 under the trace inner product were connected to binary quantum codes; a similar connection was given in the nonbinary case in [33]. In this paper we consider a natural generalization of additive codes called Fq-linear F q t-codes. We examine a number o ..."
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In [7], self-orthogonal additive codes over F4 under the trace inner product were connected to binary quantum codes; a similar connection was given in the nonbinary case in [33]. In this paper we consider a natural generalization of additive codes called Fq-linear F q t-codes. We examine a number of classical results from the theory of Fq-linear codes, and see how they must be modified to give analogous results for Fq-linear F q t-codes. Included in the topics examined are the MacWilliams Identities, the Gleason polynomials, the Gleason-Pierce Theorem, Mass Formulas, the Balance Principle, the Singleton Bound, and MDS codes. We also classify certain of these codes for small lengths using the theory developed.
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