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Article
Open AccessTime-trend of hospitalizations for anogenital warts in Veneto region in the HPV vaccination era: a cross sectional study (2007–2018)
Human papillomavirus (HPV) is a common sexually transmitted pathogen and the cause of several cancers and of anogenital warts. With this study, we estimated the trend of hospitalizations for anogenital warts (...
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Article
Quantum groups as generalized gauge symmetries in WZNW models. Part I. The classical model
Wess–Zumino–Novikov–Witten (WZNW) models over compact Lie groups G constitute the best studied class of (two dimensional, 2D) rational conformal field theories (RCFTs). A WZNW chiral state space is a finite direc...
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Article
Quantum groups as generalized gauge symmetries in WZNW models. Part II. The quantized model
This is the second part of a paper dealing with the “internal” (gauge) symmetry of the Wess–Zumino–Novikov–Witten (WZNW) model on a compact Lie group G. It contains a systematic exposition, for G = SU(n), of the ...
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Article
W 4 toda example as hidden Liouville CFT
We construct correlators in the W 4 Toda 2d conformal field theory for a particular class of representations and demonstrate a relation to a W 2 (Vi...
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Article
Estimating diluted bitumen entrained by suspended sediments in river rapids using O2 absorption rate
Suspended sediments and river rapids can cause oil slicks to fragment and sink, greatly complicating the cleanup process of a spill. Responders need methods for estimating the severity of spilled oil entrainme...
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Article
Open AccessOn some 3-point functions in the W 4 CFT and related braiding matrix
We construct a class of 3-point constants in the sl(4) Toda conformal theory W 4, extending the examples in Fateev and Litvinov [1]. Their knowledge allows to determine the braidin...
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Article
Highly coherent and stable pulses from the FERMI seeded free-electron laser in the extreme ultraviolet
Free-electron lasers (FELs) are promising devices for generating light with laser-like properties in the extreme ultraviolet and X-ray spectral regions. Recently, FELs based on the self-amplified spontaneous e...
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Article
An Extension of the Character Ring of sl(3) and Its Quantisation
We construct a commutative ring with identity which extends the ring of characters of finite dimensional representations of sl(3). It is generated by characters with values in the group ring ...
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Chapter
On the “Drinfeld-Sokolov” Reduction of the Knizhnik-Zamolodchikov Equation
Even though the Hamiltonian reduction of two dimensional integrable and conformal theories has been a focus of much attention lately [1] the quantum aspect of the problem is in a more undeveloped stage. It has...
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Chapter
A Modified Caprolactam Process: Environmental and Technical Optimization of the Raschig Section
More than 50 % of the installed caprolactam (CPL) world capacity makes use of the process that produces hydroxylamine sulphate, via the Raschig reactions, cyclohexanone-oxime from cyclohexanone plus hydroxylam...
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Article
Two-dimensional conformal quantum field theory
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Article
Minimal surfaces and strings from spinors a realization of the cartan programme
It is shown ow the old Enneper-Weierstrass integral parametrization ofminimal surfaces inR 3 and the Eisenhart ones inR 3,1, when expressed through bilinear spinor polynomia, may be considered as deriving from a ...
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Article
Conformal quantum electrodynamics and nondecomposable representations
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Article
On Dirac-like equations in 2n-dimensional spaces.—II
The naturallyIO 4,2 covariant spinor field equationsΓ α (∂/∂η α )ξ(ν) = 0 andΓ α (∂/∂ν α
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Article
AreSO 2N,2 -covariant spinor wave equations also « conformal »covariant?
We study the covariance properties of Murai’s, Dirac-Murai’s and Todorov’s spinor wave equations in the wholeM 2N,2 space with respect to SO{2N,2} group rotations. These rotations are in two-to-one correspondence...
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Article
On dirac-like equations in 2n-dimensional spaces.—I
It is shown that the spinor field equation \(\gamma _a \frac{\partial }{{\partial x_a }}\psi \left( x \right) = 0\) ...
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Article
Internal symmetries from field theories in higher dimensions
It is suggested that a dynamical space-time symmetry group of a given non-linear relativistic theory is able to generate an internal symmetry group. It is shown that onlyO(2N-1, 1) andO(2N, 1) groups are admitted...
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Article
A new approach to unified field theories
The idea that an internal-symmetry groupG is implied by a dynamical higher space-time symmetry groupK of a given field theory is presented. Using this idea, we have classified admissible simple Lie groupsK and we...
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Article
Dimensions for conformal spinors
The notion of dimension for conformal spinor fields is reanalysed, with special emphasis on the relation occurring between dilatations inM 3,1 andSO 4,2 rotations inM 4,2. Necessary and sufficient conditions for ...
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Article
Weyl and conformal covariant field theories
It is shown that, by imposing covariance with respect to the 11-parameter Weyl group, most of the known renormalizable field theories, and only these, are obtained and that they admit, locally in the Minkowski...
