Search for dissertations about: "Pontus Berglund"

Found 2 swedish dissertations containing the words Pontus Berglund.

  2. 1. Cell cycle perspectives on breast cancer cell behaviour

    Author : Pontus Berglund; Malmö Experimentell patologi; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; invasion; breast cancer; migration; proliferation; cyclin D1; cyclin E;

    Abstract : Uncontrolled proliferation and the capacity to infiltrate surrounding tissues are two important characteristics of aggressive tumour cells. Previous observations in both colorectal cancer and basal cell carcinoma indicated that infiltrative tumour cell behaviour might be counteracted by a high proliferative activity, suggesting a coordination of these two activities at the cellular level. READ MORE

  4. 2. Novel Hessian approximations in optimization algorithms

    Author : Erik Berglund; Mikael Johansson; Pontus Giselsson; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Electrical Engineering; Elektro- och systemteknik;

    Abstract : There are several benefits of taking the Hessian of the objective function into account when designing optimization algorithms. Compared to using strictly gradient-based algorithms, Hessian-based algorithms usually require fewer iterations to converge. READ MORE