Browsing Doktoraty Wydziału Matematyki, Informatyki i Mechaniki (Archiwum) by Title

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Browsing Doktoraty Wydziału Matematyki, Informatyki i Mechaniki (Archiwum) by Title

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  • Zając, Michał (2018-05-29)
    One of the most important and powerful leakage resiliency model, the Bounded Retrieval Model (BRM) comes with inevitable space inefficiency caused by a requirement on a cryptographic secret key to be huge, multiple times ...
  • Hofman, Piotr (2014-02-24)
    This dissertation contributes to analysis methods for infinite-state systems. The dissertation focuses on equivalence testing for two relevant classes of infinite-state systems: commutative context-free processes, and ...
  • Rzążewski, Paweł (2014-10-24)
    Many real-life problems have very natural graph-theoretic models. One of such problems is the frequency assignment problem. It asks for an assignment of channels of frequency to transmitters in a broadcast network, so that ...
  • Dhara, Raj Narayan (2016-09-19)
    In the thesis we discuss several questions related to the study of degenerate, possibly nonlinear PDEs of elliptic type. At first we discuss the equivalent conditions between the validity of weighted Poincar\'e inequalities, ...
  • Poleszczuk, Jan [APD] (2015-09-07)
    Background: Cancer became a major public health concern in most of the parts in the world, with approximately 14.1 million new cases diagnosed each year. The estimates for cancer related deaths worldwide in 2012 provide a ...
  • Ochremiak, Joanna [APD] (2015-09-24)
    To solve an instance of the constraint satisfaction problem (CSP) one has to find an assignment of values to variables that satisfies given constraints. This thesis concerns two different extensions of the constraint ...
  • Obremski, Maciej (2013-05-28)
    We introduce a new notion flexible extractor. It is a generalization of the standard concept of a two-source-extractor which require each of a sources to have some entropy, flexible extractor requires the sum of sources ...
  • Minakowski, Piotr [APD] (2015-05-26)
    Looking at severe plastic deformation experiments, it seems that crystalline materials at yield behave as a special kind of anisotropic, compressible, highly viscous fluid. In the presented approach the plastic behaviour ...
  • Kaczmarczyk, Michał [APD] (2015-01-15)
    Deduplication inevitably results in data fragmentation, because logically continuous data is scattered across many disk locations. Even though this significantly increases restore time from backup, the problem is still not ...
  • Mazowiecki, Filip [APD] (2015-09-22)
    This thesis is a study of query languages with recursion for which classical decision problems are on the border of tractability or decidability. The query languages are datalog programs and extensions of weak fragments ...
  • Strzelecki, Michał (2019-10-04)
    Niniejsza rozprawa poświęcona jest nierównościom funkcyjnym i transportowym związanym ze zjawiskiem koncentracji miary. W pierwszej części zajmujemy się koncentracją dla funkcji gładkich. Dowodzimy, że miara probabilistyczna, ...
  • Zatorska, Ewelina (2013-09-04)
    The following thesis is dedicated to the mathematical analysis of a model governing the flow of chemically reacting compressible mixtures. We investigate the existence of weak solutions to the Navier-Stokes system supplemented ...
  • Waniek, Marcin (2017-03-20)
    The Internet and social media have fuelled enormous interest in social network analysis. New tools continue to be developed and used to analyse our personal connections. This raises privacy concerns that are likely to ...
  • Jelisiejew, Joachim (2017-04-26)
    This thesis is concerned with deformation theory of finite subschemes of smooth varieties. Of central interest are the smoothable subschemes (i.e., limits of smooth subschemes). We prove that all Gorenstein subschemes of ...
  • Gryz, Leszek (2012-11-07)
    With the explosive growth of data stored in digital format, there is a need for a new approach to data storage. Large amount of stored data requires modern storage systems to be scalable and easily extendable on-line. ...
  • Paszek, Jarosław (2018-05-09)
    One of evolutionary molecular biology fundamental problems is to discover genomic duplication events and their locations in the species tree. Such events can be reconstructed by clustering single gene duplications inferred ...
  • Jastrzębska, Małgorzata (2015-09-30)
    W literaturze pojawiło się wiele prac o kratach anihilatorów w algebrach łącznych, oraz o związkach własności tych krat z własnościami krat ideałów jednostronnych i z innymi znanymi, ważnymi własnościami algebr. Celem ...
  • Dybizbański, Janusz (2014-03-11)
    Dla grafów H_1, H_2, ..., H_m grafowa liczba Ramseya R(H_1,H_2,...,H_m) to najmniejsza liczba naturalna n taka, że dla dowolnego m-kolorowania krawędziowego grafu pełnego G=K_n istnieje i (1<=i<=m) takie, że graf G zawiera ...
  • Socała, Arkadiusz (2017-07-05)
    This work is devoted to lower bounds on running time under strong complexity assumptions. We prove that under the Exponential Time Hypothesis there is no algorithm working in time• 2^o(n log n) (times a polynomial in the ...

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