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pro vyhledávání: '"Lee, Chang Yeong"'
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Publikováno v:
Eur.Phys.J. C34 (2004) 383-392
In the symplectic Lagrangian framework we newly embed an irreducible massive vector-tensor theory into a gauge invariant system, which has become reducible, by extending the configuration space to include an additional pair of scalar and vector field
Externí odkaz:
http://arxiv.org/abs/hep-th/0401170
Autor:
Kim, Hoil, Lee, Chang-Yeong
Publikováno v:
J.Math.Phys. 45 (2004) 461-474
We construct the so-called theta vectors on noncommutative T^4, which correspond to the theta functions on commutative tori with complex structures. Following the method of Dieng and Schwarz, we first construct holomorphic connections and then find t
Externí odkaz:
http://arxiv.org/abs/hep-th/0303091
Autor:
Lee, Chang-Yeong
We apply the method of algebraic deformation to N-tuple of algebraic K3 surfaces. When N=3, we show that the deformed triplet of algebraic K3 surfaces exhibits a deformed hyperk\"{a}hler structure. The deformation moduli space of this family of nonco
Externí odkaz:
http://arxiv.org/abs/hep-th/0205186
Autor:
Kim, Hoil, Lee, Chang-Yeong
Publikováno v:
J.Math.Phys. 44 (2003) 1389-1395
We consider N-point deformation of algebraic K3 surfaces. First, we construct two-point deformation of algebraic K3 surfaces by considering algebraic deformation of a pair of commutative algebraic K3 surfaces. In this case, the moduli space of the no
Externí odkaz:
http://arxiv.org/abs/hep-th/0204013
Autor:
Kim, Hoil, Lee, Chang-Yeong
Publikováno v:
Phys.Lett. B536 (2002) 154-160
We consider deformations of a toroidal orbifold $T^4/Z_2$ and an orbifold of quartic in $CP^3$. In the $T^4/Z_2$ case, we construct a family of noncommutative K3 surfaces obtained via both complex and noncommutative deformations. We do this following
Externí odkaz:
http://arxiv.org/abs/hep-th/0105265
We classify the Fibonacci chains (F-chains) by their index sequences and construct an approximately finite dimensional (AF) $C^*$-algebra on the space of F-chains as Connes did on the space of Penrose tiling. The K-theory on this AF-algebra suggests
Externí odkaz:
http://arxiv.org/abs/math-ph/0008028
Publikováno v:
J.Math.Phys. 42 (2001) 2677-2688
In this paper, we construct gauge bundles on a noncommutative toroidal orbifold $T^4_\theta/Z_2$. First, we explicitly construct a bundle with constant curvature connections on a noncommutative $T^4_\theta$ following Rieffel's method. Then, applying
Externí odkaz:
http://arxiv.org/abs/hep-th/0005205
Publikováno v:
Phys.Rev.D62:046001,2000
We construct twisted quantum bundles and adjoint sections on noncommutative $T^4$, and investigate relevant D-brane bound states with non-Abelian backgrounds. We also show that the noncommutative $T^4$ with non-Abelian backgrounds exhibits SO$(4,4|Z)
Externí odkaz:
http://arxiv.org/abs/hep-th/9912272
Publikováno v:
Nucl.Phys.B569:262-276,2000
Closed string dynamics in the presence of noncommutative Dp-branes is investigated. In particular, we compute bulk closed string two-point scattering amplitudes; the bulk space-time geometries encoded in the amplitudes are shown to be consistent with
Externí odkaz:
http://arxiv.org/abs/hep-th/9909059