Search for dissertations about: "manipulate"

Showing result 21 - 25 of 263 swedish dissertations containing the word manipulate.

  2. 21. Momentum exchange between light and nanostructured matter

    Author : Daniel Andrén; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; phase-gradient metasurface; optical force and torque; metavehicle; momentum exchange.; nano-optics; rotary nanomotor; optical tweezers;

    Abstract : An object's translational and rotational motion is associated with linear and angular momenta. When multiple objects interact the exchange of momentum dictates the new system's motion. READ MORE

  4. 22. Spatial regulation of membrane receptor signaling using DNA origami

    Author : Trixy Fang; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Juxtracrine signaling between apposing membrane receptors and ligands is an important class of intercellular communication. Much focus has been directed towards studying the biochemical interactions between receptors and ligands, their surface expression levels and signaling activities for driving downstream signaling processes. READ MORE

  5. 23. Topics in Hardness of Approximation and Social Choice Theory

    Author : Marcus Isaksson; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Hardness of approximation; social choice theory; Gibbard-Satterthwaite; max-q-cut; Condorcet voting; linear threshold functions.; Hardness of approximation;

    Abstract : Tools from Fourier analysis of Boolean functions have commonly been used to prove results both in hardness of approximation in computer science and in the study of voting schemes in social choice theory. In this thesis we consider various topics in both these contexts. READ MORE

  6. 24. Modelling and Verification of Real-Time Systems Using Timed Automata : Theory and Practice

    Author : Paul Pettersson; Wang Yi; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Computer Systems; Datorteknik;

    Abstract : During the last decade, model-checking techniques for the verification of timed system have been developed baaed on the theory of timed automata. The practical limitation in applying these techniques to industrial-size systems is the huge amount of time and memory needed to explore and store the state-space of the system model. READ MORE

  7. 25. Tailored Properties of Ferromagnetic Thin Films

    Author : Peter Warnicke; Peter Svedlindh; Peter Grünberg; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; micromagnetics; domain wall; vortex; pinning potential; nanowire; spin dynamics; spin transfer torque; magnetic anisotropy; MFM; Permalloy; PMA; magnetic multilayer; Curie temperature; DMS; GaMnAs; magnetic bioseparation; Engineering physics; Teknisk fysik;

    Abstract : Magnetic thin films and patterned nanostructures have been studied with respect to their magnetic properties using SQUID-magnetometry, magnetic force microscopy, electrical measurements, and micromagnetic calculations. Properties of vortex domain walls, trapped in Permalloy nanowires with artificial constrictions, were investigated experimentally and by numerical calculations. READ MORE