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Z(2) ORBIFOLDS

Discrete R-symmetries and anomaly universality in heterotic orbifolds

Discrete R-symmetries and anomaly universality in heterotic orbifolds

... Despite the fact that the lattices studied here are the simplest possibilities, we expect similar results for the more general orbifold models discussed in [39, 40]. It remains to be discussed how these redefined ...

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Discrete torsion, non-abelian orbifolds and the Schur multiplier

Discrete torsion, non-abelian orbifolds and the Schur multiplier

... function Z(q, q) on the orbifold ¯ ...that Z(q, q) could ¯ contain therein, phases ǫ(g, h) ∈ U (1) for g, h ∈ G, coming from the twisted sectors of the theory, as long ...

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Riemannian Orbifolds with Non-Negative Curvature

Riemannian Orbifolds with Non-Negative Curvature

... of orbifolds in connection to Riemannian ...dimensional orbifolds with positive curvature on which a circle acts by ...between orbifolds and biquotients - which in the past was one of the main ...

110

On the Hilbert series of polarised orbifolds

On the Hilbert series of polarised orbifolds

... x, y, z, t of weights 1, 2, 3, 5 respectively. First let me explain the notation: take a hypersurface of weighted degree 6 inside the weighted projective space. There are of course many of these, for ...

116

Dirichlet Branes on Orbifolds

Dirichlet Branes on Orbifolds

... In general this sublattice is not the whole lattice (see in particular appendix C for a concrete example), but it is of maximal rank; this follows from the fact that it contains yet another sublattice, namely the lattice ...

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Orbifolds and finite group representations

Orbifolds and finite group representations

... Now by techniques of Groebner basis for ideals in C[Z] (cf. [3]), given a monomial order, one has a monomial ideal lt(J) (generated by the leading monomial of the Groebner basis of J) such that all monic monomials ...

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(Z) 2 (2 Meth­oxy­benzyl­­idene) 1 aza­bi­cyclo­[2 2 2]octan 3 one

(Z) 2 (2 Meth­oxy­benzyl­­idene) 1 aza­bi­cyclo­[2 2 2]octan 3 one

... In view of the biological activity associated with 1-aza- bicyclo[2.2.2]octan-3-ones, we have undertaken the synthesis and structural analysis of a series of 2-(substituted benzyl- ...

7

On Z 2 x Z 2 - Cordial Graphs

On Z 2 x Z 2 - Cordial Graphs

... For any abelian group A , a graph G is said to be A - cordial if there is a labeling f of V (G ) with elements of A so that for all a , b  A , the edge ab is labeled with f ( a )  f ( b ) then the number of vertices ...

5

The Hα luminosity dependent clustering of star forming galaxies from z ∼ 0 8 to z ∼ 2 2 with HiZELS

The Hα luminosity dependent clustering of star forming galaxies from z ∼ 0 8 to z ∼ 2 2 with HiZELS

... above z ∼ ...at z ∼ 3. Other studies have found an apparent reversal of the low-z star-formation rate (or morphology)-density rela- tion at higher redshifts (Butcher & Oemler ...at z ∼ 1, ...

21

Di­methyl (Z,Z) 3,3′ (propane 1,2 diyldi­imino)­dibut 2 enoate

Di­methyl (Z,Z) 3,3′ (propane 1,2 diyldi­imino)­dibut 2 enoate

... O1 0.0802 (12) 0.0743 (12) 0.0572 (10) 0.0042 (9) −0.0069 (9) 0.0048 (8) O2 0.0820 (12) 0.0598 (11) 0.0886 (13) −0.0017 (9) 0.0045 (10) 0.0178 (9) O3 0.0640 (10) 0.0953 (14) 0.0514 (10) 0.0107 (9) 0.0016 (8) −0.0102 (8) ...

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Real forms of higher spin structures on Riemann orbifolds

Real forms of higher spin structures on Riemann orbifolds

... Any separating nice Klein orbifold can be obtained by gluing together a Rie- mann orbifold with boundary without marking points on the boundary with its copy via the identity map along the boundary components. If we ...

125

A Gap Theorem For Half-Conformally-Flat 4-Manifolds

A Gap Theorem For Half-Conformally-Flat 4-Manifolds

... Since we can use the metric g to identify T M with T ∗ M , from now on we often write only subindices. Further, unless otherwise specified, we always use geodesic normal coordinates centered at some point p to write down ...

96

(Z) Ethyl 2 chloro 2 [2 (4 methyl­phen­yl)hydrazinyl­­idene]acetate

(Z) Ethyl 2 chloro 2 [2 (4 methyl­phen­yl)hydrazinyl­­idene]acetate

... The title compound, Fig. 1, and II contain methyl and methoxy groups respectively at para positions of aromatic ring, which make them different from each other. The aromatic ring (C1—C6) is oriented at a dihedral angle ...

8

(Z) 2 (4 Meth­oxy­benzyl­­idene) 1 aza­bi­cyclo­[2 2 2]octan 3 one

(Z) 2 (4 Meth­oxy­benzyl­­idene) 1 aza­bi­cyclo­[2 2 2]octan 3 one

... There are no significant differences in the geometric para- meters of (Z)-2-(2-methoxy-benzylidene)-1-azabicyclo[2.2.2]- octan-3-one and (Z)-2-(4-methoxy-benzylidene)-1- ...

7

(Z) 5 Chloro­furan 2 carbaldehyde oxime

(Z) 5 Chloro­furan 2 carbaldehyde oxime

... In compound (I), the bond lengths and angles of the furan ring are normal and comparable with those observed in analogous published structures (Matsuoka et al., 1991; Olszak et al., 1995). The molecular skeleton of (I) ...

5

(Z) 1,2 Di­phenyl 2 (phenyl­hydrazono)ethanone

(Z) 1,2 Di­phenyl 2 (phenyl­hydrazono)ethanone

... C6A 0.0460 (7) 0.0461 (7) 0.0514 (7) 0.0186 (5) 0.0082 (6) 0.0187 (6) C7A 0.0500 (8) 0.0719 (10) 0.0680 (9) 0.0238 (7) 0.0214 (7) 0.0364 (8) C8A 0.0514 (8) 0.0634 (10) 0.0913 (11) 0.0104 (7) 0.0174 (8) 0.0470 (9) C9A ...

12

(Z) Methyl 2 meth­oxy­imino 3 oxo­butanoate

(Z) Methyl 2 meth­oxy­imino 3 oxo­butanoate

... C1 0.0601 (14) 0.0494 (13) 0.0467 (14) −0.0018 (13) 0.0041 (14) −0.0023 (13) C3 0.0483 (12) 0.0491 (13) 0.0415 (12) 0.0010 (10) −0.0001 (12) −0.0037 (12) C5 0.0615 (16) 0.0567 (15) 0.0490 (14) −0.0031 (12) 0.0063 (13) ...

5

(Z) 3 (3,4 Di­meth­oxy­phenyl) 2 (2 meth­oxy­phen­oxy) 2 propenoic acid

(Z) 3 (3,4 Di­meth­oxy­phenyl) 2 (2 meth­oxy­phen­oxy) 2 propenoic acid

... The synthesis of (Z)-3-(3,4-dimethoxyphenyl)-2-(2-methoxy- phenoxy)-2-propenoic acid, (I), is described by Berndtsson & Lundquist (1977). The conversion of (I) into ...

8

(Z) N [(Z) 3 (2,4 Di­methyl­phenyl­imino)­butan 2 yl­­idene] 2,4 di­methyl­aniline

(Z) N [(Z) 3 (2,4 Di­methyl­phenyl­imino)­butan 2 yl­­idene] 2,4 di­methyl­aniline

... C1 0.0501 (13) 0.0426 (12) 0.0487 (13) −0.0029 (9) −0.0084 (10) 0.0010 (10) C2 0.0488 (13) 0.0429 (12) 0.0476 (13) 0.0017 (9) −0.0048 (9) −0.0027 (10) C3 0.0475 (12) 0.0526 (13) 0.0583 (14) 0.0050 (10) −0.0116 (10) ...

5

(Z) N [(Z) 3 (2,5 Di­methyl­phenyl­imino)­butan 2 yl­­idene] 2,5 di­methyl­aniline

(Z) N [(Z) 3 (2,5 Di­methyl­phenyl­imino)­butan 2 yl­­idene] 2,5 di­methyl­aniline

... The asymmetric unit of (I) contains one half-molecule with the single C—C bond in 1,4-diazabutadiene fragment situated on a centre of symmetry (Fig. 1). The single bond of 1,4-diazabutadiene fragment is (E)-configured. ...

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