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Wyszukujesz frazę "Ciesielski, Krzysztof" wg kryterium: Autor

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    Wyświetlanie 1-9 z 9
    Tytuł:
    Functions characterized by images of sets
    Autorzy:
    Ciesielski, Krzysztof
    Dikrajan, Dikran
    Watson, Stephen
    Powiązania:
    https://bibliotekanauki.pl/articles/966079.pdf
    Data publikacji:
    1998
    Wydawca:
    Polska Akademia Nauk. Instytut Matematyczny PAN
    Tematy:
    continuous function
    strongly rigid family of spaces
    upper or lower semicontinuous function
    Tikhonov space
    derivative
    Borel function
    Baire class 1 function
    Cook continuum
    measurable function
    approximately continuous function
    functionally Hausdorff space
    Opis:
    For non-empty topological spaces X and Y and arbitrary families $\cal A$ ⊆ $\cal P(X)$ and $\cal B ⊆ \cal P(Y)$ we put $\cal C_{\cal A,\cal B}$={f ∈ $Y^X$ : (∀ A ∈ $\cal A$)(f[A] ∈ $\cal B)$}. We examine which classes of functions $\cal F$ ⊆ $Y^X$ can be represented as $\cal C_{\cal A,\cal B}$. We are mainly interested in the case when $\cal F=\cal C(X,Y)$ is the class of all continuous functions from X into Y. We prove that for a non-discrete Tikhonov space X the class $\cal F=\cal C$(X,ℝ) is not equal to $\cal C_{\cal A,\cal B}$ for any $\cal A$ ⊆ $\cal P(X)$ and $\cal B$ ⊆ $\cal P$(ℝ). Thus, $\cal C$(X,ℝ) cannot be characterized by images of sets. We also show that none of the following classes of real functions can be represented as $\cal C_{\cal A,\cal B}$: upper (lower) semicontinuous functions, derivatives, approximately continuous functions, Baire class 1 functions, Borel functions, and measurable functions.
    Źródło:
    Colloquium Mathematicum; 1998, 77, 2; 211-232
    0010-1354
    Pojawia się w:
    Colloquium Mathematicum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Incremental document map formation: multi-stage approach
    Autorzy:
    Ciesielski, Krzysztof
    Dramiński, Michał
    A. Kłopotek, Mieczysław
    Czerski, Dariusz
    T. Wierzchoń, Sławomir
    Powiązania:
    https://bibliotekanauki.pl/articles/764241.pdf
    Data publikacji:
    2006
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Źródło:
    Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2006, 4, 1
    1732-1360
    2083-3628
    Pojawia się w:
    Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physico-chemical and rheological properties of gelatinized/freeze-dried cereal starches
    Autorzy:
    Krystyjan, Magdalena
    Ciesielski, Wojciech
    Gumul, Dorota
    Buksa, Krzysztof
    Ziobro, Rafał
    Sikora, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/972985.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    cereal starch
    gelatinization
    freeze-drying
    process
    Opis:
    The influence of gelatinization and freeze-drying process on the physico-chemical and rheological properties of cereal starches was evaluated, and it was observed that modified starches revealed an increased water binding capacity and solubility when compared to dry starches, while exhibiting the same amylose and fat contents. The molecular weights of starches decreased after modification which resulted in the lower viscosity of dissolved modified samples in comparison to native starch pastes. As it was observed by scanning electron microscopy modified starches were characterized by an expanded surface, a uniform structure and high porosity.
    Źródło:
    International Agrophysics; 2017, 31, 3; 357-365
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment Of the surgical treatment results IN patients with colorectal cancer IN A district hospital versus treatment results IN A highly specialized center
    Autorzy:
    Ciesielski, Przemysław
    Berut, Maciej
    Górnicki, Krzysztof
    Skoczylas, Jacek
    Gorajska, Maja
    Żuk, Marcin
    Rutkowski, Andrzej
    Dłubek, Justyna
    Powiązania:
    https://bibliotekanauki.pl/articles/1393874.pdf
    Data publikacji:
    2016
    Wydawca:
    Index Copernicus International
    Tematy:
    colorectal cancer
    the results of treatment of colon cancer
    Opis:
    In Poland there there are about 15‑16 thousand cases of colon cancer per year. The health care system allows the treatment of patients with colorectal cancer in highly specialized hospitals, oncology centers and district hospitals. The results of treatment within different reference level differ. The aim of the study was to evaluate the results of surgical treatment of patients with colorectal cancer at a district hospitals compared with the results of highly specialized center. Material and methods. A retrospective study. The material consisted of 171 consecutively operated patients diagnosed with colorectal cancer treated in the Department of Surgery, District Hospital in Wołomin. The control group consisted of 200 patients treated surgically at the Department of General and Colorectal Surgery, University Hospital in Łódź. In both centers, the patients were operated on by surgeons with experience in operations on the large bowel. The demographic data, information on the type of indication (elective vs emergent), and the severity of the disease by AJCC / TNM scale were collected. In the district hospital there were patients with more advanced disease (p <0.001), older (p = 0.0001), and often operated under emergent indication (p = 0.0001). The telephone survey collected data on survival or the date of death of the patient and set the percentage of five-year survival. Results. The proportion of five-year survival in the study group and control group was respectively 46% and 71% (p <0.0001). The percentage of five-year survival among patients undergoing elective procedure in both centers were respectively for Wołomin and Łódź 58% and 73% (p = 0.008). The proportion of 5-year survival among “younger” patients (<70) was respectively in Wołomin and Łódź 64% and 81% (p = 0.004) for “older” patients with (> 70) 50% and 60% (p = 0.6747) Conclusions. Overall results of surgical treatment of patients with colorectal cancer in the district hospital are inferior to treatment results in a highly specialized center. The population treated in the district hospital is statistically significantly different in comparison to patients treated in highly specialized center. The following differences were captured: severity of the disease, age and type of indication (elective vs emergent). The diffrences has an influence on the outcomes. The five years survival for patients > 70 years undergoing elective procedure is not statistically different between the district hospital and highly specialized center.
    Źródło:
    Polish Journal of Surgery; 2016, 88, 4; 188-195
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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