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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 10 of 36 (0.076 seconds)Spelling suggestions: "subject:"matematisk musik"" "subject:"mattematisk musik""
| 1 |
Some studies within applied mathematics with focus on conditional symmetries of partial differential equations and bending waves in plates /Näslund, Reinhold, January 2005 (has links)
Lic.-avh. Luleå : Luleå tekniska univ., 2005.
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| 2 |
Determination of separation coordinates for potential and quasi-potential Newton systems /Waksjö, Claes, January 2003 (has links) (PDF)
Diss. Linköping : Univ., 2003.
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| 3 |
Spectral theory of random operators : The energy spectrum of the quantum electron in a disordered solidTaraldsen, Gunnar January 1992 (has links)
No description available.
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| 4 |
Urenheter i en-dimensjonale krystallerTaraldsen, Gunnar January 1988 (has links)
No description available.
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| 5 |
Spectral theory of random operators : The energy spectrum of the quantum electron in a disordered solidTaraldsen, Gunnar January 1992 (has links)
No description available.
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| 6 |
Pierced, Wrapped and Torn : Aspects of String Theory CompactificationsLarfors, Magdalena January 2009 (has links)
An outstanding problem in physics is to find a unified framework for quantum mechanics and general relativity. This is required for a better understanding of black holes and the early cosmology of the universe. String theory provides such a unification. In this thesis, we study aspects of compactifications of type IIB string theory. In the first part of the thesis, we study four-dimensional black holes consisting of D3-branes wrapping cycles in the compact dimensions. We discuss the correspondence between these black holes, topological string theory and matrix models. We then study the influence of black holes on the stability of flux compactifications. In the second part of the thesis, we turn to investigations of the type IIB landscape, i.e. the collection of stable and metastable vacua obtained from flux compactifications on conformal Calabi-Yau manifolds. We show that monodromies are important for the topographic structure of the landscape. In particular we find that there are long series of continuously connected vacua in the complex structure moduli space of the internal manifold. We also use geometric transitions to connect the moduli spaces of different manifolds, and create longer series of vacua. Finally, we investigate the stability of string theory vacua by constructing semiclassical instantons. These results have implications for the population of the landscape by eternal inflation.
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| 7 |
Urenheter i en-dimensjonale krystallerTaraldsen, Gunnar January 1988 (has links)
No description available.
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| 8 |
Group Extensions, Gerbes and Twisted K-theoryHekmati, Pedram January 2008 (has links)
<p>This thesis reviews the theory of group extensions, gerbes and twisted K-theory. Application to anomalies in gauge theory is briefly discussed. The main results are presented in two appended scientific papers. In the first paper we establish, by construction, a criterion for when an infinite dimensional abelian Lie algebra extension corresponds to a Lie group extension. In the second paper we introduce the fractional loop group L_qG, construct highest weight modules for the Lie algebra and discuss an application to twisted K-theory on G.</p>
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Development and application of Muffin-Tin Orbital based Green's function techniques to systems with magnetic and chemical disorder /Kissavos, Andreas, January 2006 (has links)
Diss. Linköping : Linköpings universitet, 2006.
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| 10 |
Physical effects of nonlinearity in discrete onedimensional systems with spatial variations /Lennholm, Erik, January 2002 (has links) (PDF)
Diss. Linköping : Univ., 2002.
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