101,541 research outputs found

    Thesmophoriazusae, emendavit et interpretatus est Franc. volcm. Fritzsche ...

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    No more pub. cf. British museum catalogue.Added t.-p.: Comoediae, quae supersunt, emendavit et interpretatus est Franc. Volcm. Fritzsche ... v.1.Author's name at head of title.Mode of access: Internet

    H. Fritzsche, Schuldbetreibung und Konkurs nach Schweizerichem Recht, 2e éd., t. II

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    H. Fritzsche, Schuldbetreibung und Konkurs nach Schweizerichem Recht, 2e éd., t. II. In: Revue internationale de droit comparé. Vol. 22 N°1, Janvier-mars 1970. p. 201

    H. Fritzsche, Schuldbetreibung und Konkurs nach Schweizerichem Recht, 2e éd., t. II

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    H. Fritzsche, Schuldbetreibung und Konkurs nach Schweizerichem Recht, 2e éd., t. II. In: Revue internationale de droit comparé. Vol. 22 N°1, Janvier-mars 1970. p. 201

    Hellmut Fritzsche

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    In a letter he wrote in June 2018, the month of his passing, Hellmut Fritzsche, professor emeritus at the University of Chicago, reflected on his life and marriage: “[My wife] Sybille and I were so very fortunate to have been selected in 1950 to the group of European students who were invited by the US government to come to the United States for one year. This is how we met. How immensely admirable was the generosity of the United States! We both had a rich and rewarding life. We are grateful for the opportunities given to us and for the wonderful life and inspiring circle of friends who questioned and supported us intellectually.” Those of us in that circle were richly rewarded for having experienced Hellmut’s inquisitive mind and vibrant nature

    Letter, [Author unclear] to Paulina T. Merritt

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    Handwritten letter to Paulina Merritt from an unknown author, October 1, 1876.

    Simulation of n-qubit quantum systems. II. Separability and entanglement

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    Studies on the entanglement of n-qubit quantum systems have attracted a lot of interest during recent years. Despite the central role of entanglement in quantum information theory, however, there are still a number of open problems in the theoretical characterization of entangled systems that make symbolic and numerical simulation on n-qubit quantum registers indispensable for present-day research. To facilitate the investigation of the separability and entanglement properties of n-qubit quantum registers, here we present a revised version of the FEYNMAN program in the framework of the computer algebra system MAPLE. In addition to all previous capabilities of this MAPLE code for defining and manipulating quantum registers, the program now provides various tools which are necessary for the qualitative and quantitative analysis of entanglement in n-qubit quantum registers. A simple access, in particular, is given to several algebraic separability criteria as well as a number of entanglement measures and related quantities. As in the previous version, symbolic and numeric computations are equally supported. T. Radtke, S. Fritzsche / Computer Physics Communications 175 (2006) 145-166 communications or quantum cryptography. Up to the present, however, the multipartite entanglement of n-qubit systems has remained largely unexplored owing to the exponential growth of complexity with the number of qubits involved. Program summary Method of solution: Using the computer algebra system MAPLE, a set of procedures has been developed which supports the definition and manipulation of n-qubit quantum registers and quantum logic gates [T. Radtke, S. Fritzsche, Comput. Phys. Comm. 173 Restrictions onto the complexity of the problem: The present version of the program facilitates the setup and the manipulation of quantum registers by means of (predefined) quantum logic gates; it now also provides the tools for performing a symbolic and/or numeric analysis of the entanglement for the quantum states of such registers. Owing to the rapid increase in the computational complexity of multi-qubit systems, however, the time and memory requirements often grow rapidly, especially for symbolic computations. This increase of complexity limits the application of the program to about 6 or 7 qubits on a standard single processor (Pentium 4 with 2 GHz or equivalent) machine with 1 GB of memory. Unusual features of the program: The FEYNMAN program has been designed within the framework of MAPLE for interactive (symbolic or numerical) simulations on n-qubit quantum registers with no other restriction than given by the memory and processor resources of the computer. Whenever possible, both representations of quantum registers in terms of their state vectors and/or density matrices are equally supported by the program. Apart from simulating quantum gates and quantum operations, the program now facilitates also investigations on the separability and the entanglement properties of quantum registers

    LARS: Ein differenziertes Sprach- und Leseförderprogramm bei GrundschülerInnen mit Deutsch als Erst- und Zweit-Sprache: Evaluierung der Pilotstudie

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    Schwab S, Seifert S, Watko P, Obendrauf T, Trauntschnig M, Gasteiger-Klicpera B. LARS: Ein differenziertes Sprach- und Leseförderprogramm bei GrundschülerInnen mit Deutsch als Erst- und Zweit-Sprache: Evaluierung der Pilotstudie. In: Fritzsche T, Meyer CB, Adelt A, Roß J, eds. Spektrum Patholinguistik. 6th ed. Potsdam: Universitätsverl. Potsdam; 2013

    Digitale Diagnostik: Innovative Wege für die Sprachtherapie

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    Jonas K, Jaecks P. Digitale Diagnostik: Innovative Wege für die Sprachtherapie. In: Fritzsche T, Breitenstein S, Wunderlich H, Ferchland L, Krug R, eds. Klick für Klick. Schritte in der digitalen Sprachtherapie. Spektrum Patholinguistik. Universitätverlag Potsdam; 2021: 1-29

    Spin polarization transfer in the resonant Auger decay following Kr 3d(-1)5p photoexcitation

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    Drescher M, Khalil T, Müller N, Fritzsche S, Kabachnik NM, Heinzmann U. Spin polarization transfer in the resonant Auger decay following Kr 3d(-1)5p photoexcitation. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. 2003;36(15):3337-3347.Spin polarization of the resonant Auger electrons is measured following the decay of Kr 3d(-1)5p states resonantly excited by circularly polarized light. A large polarization transfer is found in particular for all strong transitions to the 4s(-1)4p(-1)5p and 4s(-2)5p states. The experimental results are in excellent agreement with calculations carried out by means of the multiconfiguration Dirac-Fock method
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