Sökning: "Anders Forsgren"

Visar resultat 6 - 10 av 16 avhandlingar innehållade orden Anders Forsgren.

  1. 6. Automated radiation therapy treatment planning by increased accuracy of optimization tools

    Författare :Lovisa Engberg; Anders Forsgren; Marina A. Epelman; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Optimization; intensity-modulated radiation therapy; radiation therapy treatment planning; automated radiation therapy treatment planning; interior-point methods; Optimering; intensitetsmodulerad strålbehandling; dosplanering; automatiserad dosplanering; inrepunktsmetoder; Mathematics; Matematik;

    Sammanfattning : Every radiation therapy treatment is preceded by a treatment planning phase. In this phase, a treatment plan that specifies exactly how to irradiate the patient is designed by the treatment planner. LÄS MER

  3. 7. Optimization of Joint Cell, Channel and Power Allocation in Wireless Communication Networks

    Författare :Mikael Fallgren; Anders Forsgren; Zhi-Quan (Tom) Luo; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wireless multicell networks; Optimization; OFDMA; Shannon capacity; Complexity; NP-hard; Relays; Allocation problems; Heuristic algorithms;

    Sammanfattning : In this thesis we formulate joint cell, channel and power allocation problems within wireless communication networks. The objectives are to maximize the user with mini- mum data throughput (Shannon capacity) or to maximize the total system throughput, referred to as the max-min and max-sum problem respectively. LÄS MER

  4. 8. Robust optimization of radiation therapy accounting for geometric uncertainty

    Författare :Albin Fredriksson; Anders Forsgren; Timothy C. Y. Chan; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Optimization; intensity-modulated proton therapy; uncertainty; robust planning; setup error; range error; intensity-modulated radiation therapy; multicriteria optimization;

    Sammanfattning : Geometric errors may compromise the quality of radiation therapy treatments. Optimization methods that account for errors can reduce their effects.The first paper of this thesis introduces minimax optimization to account for systematic range and setup errors in intensity-modulated proton therapy. LÄS MER

  5. 9. Macroscopic models of Chinese hamster ovary cell cultures

    Författare :Erika Hagrot; Véronique Chotteau; Anders Forsgren; Nathan E. Lewis; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Chinese hamster ovary; Amino acid; Metabolic network; Metabolic flux analysis; Kinetic modeling; Elementary flux mode; Optimization; Column generation; Bioteknologi; Biotechnology;

    Sammanfattning : Biopharmaceuticals treat a range of diseases, and is a growing sector within the pharmaceutical industry. A majority of these complex molecules are produced by genetically modified mammalian cells in large-scale cell cultures. LÄS MER

  7. 10. Livsmystik och destruktiv maktsträvan - två poler i Per Olof Sundmans författarskap : en undersökning med särskilt fokus på romanerna Expeditionen och Två dagar, två nätter

    Författare :Gunilla Häggblom; Anders Pettersson; Peter Forsgren; Umeå universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Per Olof Sundman; mystery of life; destructive pursuit of power; sympathetic reading; symptomal reading; double meaning of the text; first-person narrative; focalisation; philosophy of religion; Chassidism; psychoanalysis; middle ground; object relations theory; schizo-paranoid position; integrative position; rational irrational authority; Per Olof Sundman; livsmystik; destruktiv maktsträvan; sympatisk läsart; symptomal läsart; textens dubbla betydelse; jagberättelsen; fokalisering; religionsfilosofi; chassidism; psykoanalys; mellanområde; objektrelationsteori; schizo-paranoid position; integrativ position; rationell irrationell auktoritet; Literature; litteraturvetenskap;

    Sammanfattning : My thesis addresses the antagonism between the mystery of life and the destructive pursuit of power which forms a central theme in the works of Per Olof Sundman (1922–1992). The purpose is to show that Sundman uses the theme of the encounter/non-encounter and the destructive leader to examine the conditions for allowing a deeper experience of reality and the destructive exercise of power. LÄS MER