Sökning: "four point operator"

Visar resultat 6 - 10 av 16 avhandlingar innehållade orden four point operator.

  1. 6. Molecular Studies of Three Coliphage Repressor Proteins P2 C, P2 Hy dis C and Wphi C : Kinetics, Oligomeric States and Structural Studies

    Författare :Petri Henriksson Peltola; Elisabeth Haggård-Ljungquist; Sankar Adhya; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; molekylärgenetik; Molecular Genetics;

    Sammanfattning : P2, P2 Hy dis and WΦ are heteroimmune and closely related E. coli phages that can either grow lytically or form lysogeny after infection. The developmental switch region that contains two divergent promoters, the early Pe and the lysogenic Pc promoter, and two repressors, controls the life mode of the phage. LÄS MER

  3. 7. Properties of invariant sets in certain two-dimensional dynamical systems : Renormalization and beyond

    Författare :Dan Lilja; Denis Gaidashev; Konstantin Khanin; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Dynamical systems; renormalization; area-preserving maps; unbounded geometry; almost commuting pairs; universality; non-rigidity;

    Sammanfattning : This thesis consists of an introduction and four research papers concerning dynamical systems, focusing on renormalization in two dimensions.Paper I (joint with Jordi-Lluís Figueras) studies a generalization of the anti-integrable limit of skew-product systems based on a Frenkel-Kontorova model. LÄS MER

  4. 8. Eye-movement controlled image coding

    Författare :Peter Bergström; Andrew Duchowski; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : This thesis proposes eye-movement controlled image coding schemes. An application is found in interactive systems where a human operator controls a vehicle at a distance. Such a system would include an eye-tracker to pick up the point of regard of the viewer. LÄS MER

  5. 9. Automatic and experimental methods to studying forwarding work

    Författare :Jussi Manner; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Although forwarding has been carried out for 50 years, much is still unknown about this work. This is partly because there are numerous influential factors, and relevant data are often difficult to gather. In current forwarding productivity literature, there is generally a trade-off between representativeness and work element-specificity. LÄS MER

  7. 10. Towards an understanding of the consequences of technology-driven decision support for maritime navigation

    Författare :Katie A Aylward; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Human factors; human-automation interaction; decision support; safety; sociotechnical systems; maritime navigation; decision-making; MASS; automation;

    Sammanfattning : The maritime industry is undergoing a transformation driven by digitalization and connectivity. There is speculation that in the next two decades the maritime industry will witness changes far exceeding those experienced over the past 100 years. LÄS MER