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Symmetry, Volume 2, Issue 4

2010 December - 7 articles

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Articles (7)

  • Article
  • Open Access
6 Citations
6,766 Views
36 Pages

19 November 2010

We argue that quantum theory should proceed not from a spacetime background but from a Lie algebra, which is treated as a symmetry algebra. Then the fact that the cosmological constant is positive means not that the spacetime background is curved but...

(This article belongs to the Special Issue Quantum Symmetry)
  • Article
  • Open Access
16 Citations
13,019 Views
20 Pages

Three-Dimensional Facial Asymmetry in Attractive and Normal People from Childhood to Young Adulthood

  • Chiarella Sforza,
  • Alberto Laino,
  • Gaia Grandi,
  • Luca Pisoni and
  • Virgilio Ferruccio Ferrario

9 November 2010

We are currently investigating measurable esthetic characteristics in persons considered “attractive” by the media. Three-dimensional soft-tissue facial asymmetry was quantified in 380 attractive (148 males, 232 females) and 669 control (397 males, 2...

(This article belongs to the Special Issue Symmetry and Beauty)
  • Article
  • Open Access
38 Citations
20,580 Views
79 Pages

5 November 2010

The paper introduces general considerations on structural properties of aromatic, antiaromatic and non-aromatic conjugated systems in terms of potential energy along bond length alternation and distortion coordinates, taking as examples benzene, cycl...

(This article belongs to the Special Issue Aromaticity and Molecular Symmetry)
  • Article
  • Open Access
8 Citations
7,324 Views
36 Pages

1 November 2010

We consider a quantum theory based on a Galois field. In this approach infinities cannot exist, the cosmological constant problem does not arise, and one irreducible representation (IR) of the symmetry algebra splits into independent IRs describing a...

(This article belongs to the Special Issue Quantum Symmetry)
  • Article
  • Open Access
4 Citations
7,633 Views
13 Pages

21 October 2010

The paper presents an application of symmetry approach to finance. This symmetry approach comes from the gauge field theory in Physics. We revise the pricing model of financial derivatives in a financial market in a gauge symmetry view, and rewrite...

(This article belongs to the Special Issue Complexity and Symmetry)
  • Review
  • Open Access
9 Citations
8,484 Views
18 Pages

30 September 2010

The paper reviews the polyanionic hexagons of silicon and germanium, focusing on aromaticity. The chair-like structures of hexasila- and hexagermabenzene are similar to a nonaromatic cyclohexane (CH2)6 and dissimilar to aromatic D6h-symmetric benzene...

(This article belongs to the Special Issue Aromaticity and Molecular Symmetry)
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Symmetry - ISSN 2073-8994