Sökning: "johan richter"

Hittade 2 avhandlingar innehållade orden johan richter.

  1. 1. Algebraic Properties of Ore Extensions and Their Commutative Subrings

    Författare :Johan Richter; Lunds universitet.; Lund University.; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ore extension; Noncommutative algebra; Algebraic dependence;

    Sammanfattning : This thesis deals with a class of rings known as Ore extensions. An Ore extension can be described as a noncommutative ring of polynomials in one variable. A special focus of the thesis is the study of commuting elements in Ore extensions. LÄS MER

  2. 2. Fluorescence Guided Resection of Brain Tumors Evaluation of a Hand-held Spectroscopic Probe

    Detta är en avhandling från Linköping : Linköping University Electronic Press

    Författare :Johan Richter; Linköpings universitet.; Linköpings universitet.; [2017]
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Malignant gliomas grow infiltrative in the brain and can therefore not be completely removed by neurosurgical means. However, for an optimized oncological treatment it has proven useful to resect as much as possible of tumor. The identification of the tumor in the marginal zone is difficult but crucial. LÄS MER