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Moduli of relatively nilpotent algebraic extensions
"... $p $ , and finite-perfect group $G $ , high levels of a $(G,p) $ Modular Tower have no rational points. When $p $ is an odd prime and $G $ is the dihedral group $D_{p} $ we call the towers Hyper-modular [BFr02] proves cases of the Main Conjecture for Modular Towers with $p=2 $ and $G $ an alter-nati ..."
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. As with modular curves, the tower levels are moduli spaces. We use aDemjanenkO-Manin result and aconstruction from [Fri95] to more directly approach rational points than does Falting’s Theorem. 1991 Mathematics Subject Classification. Primary llF32, llG18, llR58, $14\mathrm{G}32$;Secondary $20\mathrm{B}05
Recombination coecients for C ii lines?
, 1999
"... Abstract. Eective recombination coecients are given for C ii transitions between doublet states. The cal-culations are carried out in the temperature range 500 − 20 000 K and for an electron density of 104 cm−3. The eects of electron collisions on the excited states are included. The necessary bound ..."
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quantum number n 15 and total orbital angular momentum L 4. The eect of moving the resonance features to their experimentally determined positions is also investigated and found to be important at low temperatures. Key words: atomic data | line: formation | H ii regions | planetary nebulae: general 1.
1 Acknowledgements
, 2013
"... den angegebenen Quellen und Hilfsmitteln angefertigt zu haben. Alle Stellen, die aus Quellen entnommen wurden, sind als solche kenntlich gemacht. Diese Arbeit hat in gleicher oder ähnlicher Form noch keiner Prüfungsbehörde vorgelegen. Darmstadt, den 15.01.2013 ..."
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den angegebenen Quellen und Hilfsmitteln angefertigt zu haben. Alle Stellen, die aus Quellen entnommen wurden, sind als solche kenntlich gemacht. Diese Arbeit hat in gleicher oder ähnlicher Form noch keiner Prüfungsbehörde vorgelegen. Darmstadt, den 15.01.2013
Wireless Sensor Networking in Challenging Environments
, 2014
"... This Dissertation is brought to you for free and open access by Washington University Open Scholarship. It has been accepted for inclusion in All Theses and Dissertations (ETDs) by an authorized administrator of Washington University Open Scholarship. For more information, please contact ..."
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This Dissertation is brought to you for free and open access by Washington University Open Scholarship. It has been accepted for inclusion in All Theses and Dissertations (ETDs) by an authorized administrator of Washington University Open Scholarship. For more information, please contact
COSMOLOGICAL MODELS OF MODIFIED GRAVITY
, 2013
"... The recent discovery of dark energy has prompted an investigation of ways in which the accelerated expansion of the universe can be realized. In this dissertation, we present two separate projects related to dark energy. The first project analyzes a class of braneworld models in which multiple brane ..."
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branes float in a five-dimensional anti-de Sitter bulk, while the second investigates a class of dark energy models from an effective field theory perspective. Investigations of models including extra dimensions have led to modifications of gravity involving a number of interesting features