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Université de Fribourg

Freedom of Contract in the 19th Century: Mythology and the Silence of the Sources : Review Essay – Sibylle Hofer’s Freiheit ohne Grenzen? privatrechtstheoretische Diskussionen im 19. Jahrhundert

Abegg, Andreas ; Thatcher, Annemarie

In: German Law Journal, 2004, vol. 5, p. 101-114

In her legal history postdoctoral Habilitation-study Freiheit ohne Grenzen? (Unlimited Freedom?), Sibylle Hofer comes to the conclusion that despite a large absence of discourse on contractual freedom the perception of unlimited freedom in the 19th Century private law theorie cannot be confirmed, instead this is more of a myth. By exploring the larger context of societal development at the end of...

Université de Genève

Management of sigmoid volvulus in Eritrea

Mehari, Habteab ; Soravia, Claudio (Dir.)

Thèse de doctorat : Université de Genève, 2002 ; Méd. 10269.

Université de Fribourg

Calculation of spin-orbit coupling within the LFDFT: Applications to [NiX₄]²⁻ (X=F⁻, Cl⁻, Br⁻, I⁻)

Atanasov, Mihail ; Rauzy, Cédrick ; Baettig, Pio ; Daul, Claude A.

In: International Journal of Quantum Chemistry, 2005, vol. 102, p. 119-131

Spin-orbit coupling has been introduced into our newly developed ligand field density functional theory (LFDFT), using the zero-order regular approximation as implemented into the Amsterdam density functional (ADF) code. Application of the formalism to a series of NiX₄²⁻ (X=F⁻, Cl⁻, Br⁻, I⁻) compounds shows the increasing importance of intra-ligand spin-orbit coupling across the F,...

Université de Fribourg

Assessment of theoretical prediction of the NMR shielding tensor of ¹⁹⁵PtClxBr6–x²⁻ complexes by DFT calculations: experimental and computational results

Penka Fowe, Emmanuel ; Belser, Peter ; Daul, Claude A. ; Chermette, Henry

In: Physical Chemistry Chemical Physics, 2005, vol. 7(8), p. 1732-1738

In the present work, the ZORA spin–orbit Hamiltonian, in conjunction with the gauge including orbital (GIAO) method based on DFT theory has been used to calculate ¹⁹⁵Pt chemical shift of ¹⁹⁵PtClxBr6–x²⁻ complexes. Excellent agreement with experiments has been obtained for calculations bearing on optimized geometries and all electrons triple zeta +...

Université de Fribourg

Evaluation of two-electron integrals including the factors rk₁₂exp(−γr²₁₂) over Cartesian Gaussian functions

Weber, Valéry ; Daul, Claude A.

In: Computer Physics Communications, 2004, vol. 158 (1), p. 1-11

We present a practical scheme for the evaluation of nonstandard two-electron integrals including the factors rk₁₂exp(−γr²₁₂) which have been appeared recently, where k>=-1 is an integer. The method used throughout this paper is based on the highly efficient Head-Gordon and Pople (HGP) approach of evaluation of electron repulsion integrals (ERI). Thus only straightforward...

Università della Svizzera italiana

Hedging and risk measurement for option portfolios

Fierli, Francesco ; Barone-Adesi, Giovanni (Dir.)

Thèse de doctorat : Università della Svizzera italiana, 2004 ; 2004ECO005.

In the first part of this work we address the problem of parameter misspecification in a generic class of stochastic volatility models. We extend the approach proposed by Avellaneda, Levy and Paràs (1995) (hereafter ALP) by moving from a framework with uncertain volatility to the uncertainty on volatility process parameters. We assume that parameter values of the stochastic volatility model are...

Université de Fribourg

Intracellular vesicle transport in "Arabidopsis thaliana" : functional characterization of the t-SNARE homologue AtSNAP33

Wick, Peter ; Sticher, Liliane (Dir.)

Thèse de doctorat : Université de Fribourg, 2002 ; no 1386.

The secretory pathway is a complex endomembrane system essential for all eukaryotic cells. It transports proteins to the extracellular space or to the vacuole. All proteins which are secreted are synthesized at the endoplasmic reticulum (ER) and have a signal peptide in common. The signal peptide is necessary for the transport into the lumen of the ER where the correct folding of the protein...