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Wyświetlanie 1-15 z 52
Tytuł:
The Cardinal Squaring Principle and an Alternative Axiomatization of NFU
Autorzy:
Adlešić, Tin
Čačić, Vedran
Powiązania:
https://bibliotekanauki.pl/articles/43182311.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
Quine's New Foundations
cardinal multiplication
axiomatization
Opis:
In this paper, we rigorously prove the existence of type-level ordered pairs in Quine’s New Foundations with atoms, augmented by the axiom of infinity and the axiom of choice (NFU + Inf + AC). The proof uses the cardinal squaring principle; more precisely, its instance for the (infinite) universe (VCSP), which is a theorem of NFU + Inf + AC. Therefore, we have a justification for proposing a new axiomatic extension of NFU, in order to obtain type-level ordered pairs almost from the beginning. This axiomatic extension is NFU + Inf + AC + VCSP, which is equivalent to NFU + Inf + AC, but easier to reason about.
Źródło:
Bulletin of the Section of Logic; 2023, 52, 4; 551-581
0138-0680
2449-836X
Pojawia się w:
Bulletin of the Section of Logic
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antimicrobial Activity and Micropropagation of Some Rare and Endangered Plants of Jordan
Autorzy:
Shatnawi, Mohamad
Abubaker, Samih
Odat, Nidal
Al-Tawaha, Abdel Rahman
Majdalawi, Majdi
Powiązania:
https://bibliotekanauki.pl/articles/1838372.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
medicinal plant
microbial activity
multiplication
root formation
Opis:
The medicinal plants of Jordan are under threat due to several factors of habitat perturbation. Some of these factors include ruinous over-harvesting, climate change, competition and invasion. In this study, the authors employed a reliable method for micropropagation and assessment of antimicrobial activity of some important medicinal plants of Jordan. Seeds were surface sterilized and germinated on agar water media, and then shoots were cultured on Murashige and Skoog (MS) medium with the addition of 3% sucrose. In order to generate enough plant material, microshoots were transferred after fourteen days onto hormone free MS medium. Among all studied plants, it was found that the Achellia millefolium and Moring perigrina plants successfully multiplied in vitro containing different 6-benzyl amino purine (BA). For potential antimicrobial activity, the ex vitro (field leaf plants) and in vitro (plantlet) extracts were evaluated against some bacteria strains using ethanolic extracts. Both ex vitro and in vitro plants extracts showed the antimicrobial activity against the microorganism tested. The results from the study suggest that these two plants showed good antimicrobial activity against the different tested bacteria.
Źródło:
Journal of Ecological Engineering; 2021, 22, 6; 151-158
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the Judicialisation of International Law
Autorzy:
Wiśniewski, Adam
Powiązania:
https://bibliotekanauki.pl/articles/684981.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
public international law
jucicialisation
multiplication of international courts
Opis:
The judicialisation of international law is a relatively recent phenomenon that gained momentum in the 1990s and 2000s. Coupled with the trend towards widespread compulsory jurisdiction, it has been crucial in strengthening the commitment of states to adhere to their international obligations. Another important effect of judicialisation on international law is that at least certain international norms have acquired an “objective” nature, detached from the will of states. This is because the interpretation and application of these norms is no longer dependent solely upon the subjective discretion of states, but is subject to consideration and examination by independent judicial bodies. The process of judicialisation, while contributing to the international rule of law, has undoubtedly changed the face of international law a great deal as a result of some other factors. The multiplication of international courts has led to the expansion of the judicial institutional layer, making international law less horizontal. Also, as a result of the growing case-law of these courts, the system of international law is becoming more complex and developed, and thus also more mature. The natural aspect of the judicial function is the development of international law. Despite the problems and risks involved, the proliferation of international courts and tribunals can be perceived as one of the important components of the dynamic transformation of international law during the recent decades.
Źródło:
Adam Mickiewicz University Law Review; 2017, 7; 37-53
2450-0976
Pojawia się w:
Adam Mickiewicz University Law Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Static Characteristics of Air Gauges Applied in the Roundness Assessment
Autorzy:
Jermak, C. J.
Rucki, M.
Powiązania:
https://bibliotekanauki.pl/articles/220421.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
air gauges
out-of-roundness
static characteristics
multiplication
Opis:
In the article, analysis of the work conditions and the metrological characteristics of the air gauges dedicated for the roundness assessment is described. To reach the required accuracy of the acquired data, the phenomena of gas dynamics had to be analyzed in the whole flow through elements of the air gauge. A model based on the second critical parameters was used, because it reflects the true processes of the air flow. As a result, fast and accurate simulations provided series of the characteristics to be considered. Nevertheless, the chosen air gauge configuration underwent the experimental verification of its metrological characteristics. Finally, the entire measurement system Geoform with the gauge head based on the chosen air gauges underwent the accuracy test in order to make sure of its overall measurement quality.
Źródło:
Metrology and Measurement Systems; 2016, 23, 1; 85-96
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
SPAD timing jitter modeling using Fourier series
Autorzy:
Eyvazi, Kaveh
Karami, Mohammad Azim
Powiązania:
https://bibliotekanauki.pl/articles/27310093.pdf
Data publikacji:
2023
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
analytical model
Fourier series
multiplication time
timing jitter
Opis:
In this paper, a simple analytical model for the Gaussian’s peak response part of the timing jitter of single photon avalanche diodes (SPADs) is proposed using Fourier series in the multiplication time calculation. The multiplication time characterizes avalanche multiplication process speed in which low multiplication time suggests a swifter response time and a higher avalanche speed. This paper presents an analytical solution which results in a more accurate multiplication time. The model is verified for SPADs implemented in 0.15 and 0.18 μm standard CMOS process, and the accuracy of the proposed analytical method in full-width at half-maximum (FWHM) calculation is improved by 25% and 5% with respect to the numerical model, respectively.
Źródło:
Optica Applicata; 2023, 53, 2; 239--248
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Unconventional Division by Zero
Autorzy:
Czajko, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/1177806.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Unconventional division by zero
multispatial algebraic multiplication
Opis:
Unconventional division by zero can apply to those cases in which some directly incomparable (i.e. unlike or represented in different algebraic bases) abstract objects taken from two distinct algebraic spaces are acted upon or need to be compared. Multispatial reality paradigm is thus necessary for overcoming conceptual inconsistencies arising in the domain of complex numbers when certain valid abstract reasonings from the hypercomplex domains of quaternions and octonions are carried over back to the 2D complex domain.
Źródło:
World Scientific News; 2018, 99; 133-147
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antimicrobial Activity and Micropropagation of Some Rare and Endangered Plants of Jordan
Autorzy:
Shatnawi, Mohamad
Abubaker, Samih
Odat, Nidal
Al-Tawaha, Abdel Rahman
Majdalawi, Majdi
Powiązania:
https://bibliotekanauki.pl/articles/1838285.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
medicinal plant
microbial activity
multiplication
root formation
Opis:
The medicinal plants of Jordan are under threat due to several factors of habitat perturbation. Some of these factors include ruinous over-harvesting, climate change, competition and invasion. In this study, the authors employed a reliable method for micropropagation and assessment of antimicrobial activity of some important medicinal plants of Jordan. Seeds were surface sterilized and germinated on agar water media, and then shoots were cultured on Murashige and Skoog (MS) medium with the addition of 3% sucrose. In order to generate enough plant material, microshoots were transferred after fourteen days onto hormone free MS medium. Among all studied plants, it was found that the Achellia millefolium and Moring perigrina plants successfully multiplied in vitro containing different 6-benzyl amino purine (BA). For potential antimicrobial activity, the ex vitro (field leaf plants) and in vitro (plantlet) extracts were evaluated against some bacteria strains using ethanolic extracts. Both ex vitro and in vitro plants extracts showed the antimicrobial activity against the microorganism tested. The results from the study suggest that these two plants showed good antimicrobial activity against the different tested bacteria.
Źródło:
Journal of Ecological Engineering; 2021, 22, 6; 151-158
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quaternionic operational infinity
Autorzy:
Czajko, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/1031022.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Quaternionic descending infinity
division by zero
multiplication by infinity
Opis:
By analogy to the complex analytic representation of infinity that I have already proposed in my prior paper, it is demonstrated here by examples that a hypercomplex representation of infinity can also be conjectured and formulated in a formwise similar way. Unlike the two-dimensional (2D) complex infinity, which holds in 2D spaces equipped with an orthogonal homogeneous algebraic basis, the 4D quaternionic infinity requires an algebraic or quasigeometric basis that would be either heterogenous if established within a single space or, if it would be established upon a quasigeometric multispatial structure then at least two homogeneous bases are needed for the latter structure. In the latter case orthogonality and isometry are preserved. The multispatiality not only conforms to the experimentally confirmed reality of the quantum Cheshire Cat whose grin was located in a separate beam path from the beam path of the cat but also implies the feasibility of prospective mathematical reformulation of the basically complex (and thus essentially 2D) quantum mechanics in terms of certain hypercomplex 4D quasispatial structures under auspices of the multispatial reality paradigm.
Źródło:
World Scientific News; 2020, 149; 23-35
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Complexification of operational infinity
Autorzy:
Czajko, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/1031229.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Complexified descending infinity
division by zero
multiplication by infinity
Opis:
It is demonstrated here by examples that infinitesimal descending infinity is formwise analogous to the Cauchy integral formula. Hence the concept of total, twin operational infinity is represented by complex formula combining the real neverending ascending infinity and the imaginary infinitesimal descending infinity, each depicted in separate abstract spaces that appear as dual reciprocal, though.
Źródło:
World Scientific News; 2020, 148; 60-71
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of Seed Systems in North Western Ethiopia; with Special Emphasis on Community Based Seed Multiplication Scheme
Autorzy:
Assaye, Abebaw
Melak, Adane
Ayalew, Birhanu
Teshale, Dessalegn
Mazengia, Yalew
Powiązania:
https://bibliotekanauki.pl/articles/1194044.pdf
Data publikacji:
2015
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Community based seed multiplication scheme
Metekel Zone
Seed system
Opis:
This study was aimed at providing an overview and assessment of the current seed systems and performance of Community Based Seed Multiplication Scheme (CBSMS) as well as reviewing challenges and ways for sustainability in Metekel Zone. CBSMS came in to existence in Metekel Zone of Benishangul Gumuz region seed systems in 2008 to narrow the gap between the galloping demand and stagnant supply of improved and quality seed. Pawe Agricultural Research Center (PARC) and its partners have come up with CBSMS with multidimensional support from the former to produce in 2013/14 3279 quintal and in 2014/15 1275 quintal of quality seed. Seed systems in Metekel Zone were observed to be complex and the role of PARC is observed to be vital. The study suggests strengthening the CBSMS as they are the main source of improved seed in the zone. Moreover, proper training of farmers, market information network, incentive mechanism, and controlling the quality of seed should be given emphasis. To make CBSMS sustainable coordination among key partners and proper institutional arrangements is of paramount importance. Strengthening farmers’ association/ union through institutional support should be given priority for sustainability of the scheme.
Źródło:
World Scientific News; 2015, 12; 55-65
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quaternionic division by zero is implemented as multiplication by infinity in 4D hyperspace
Autorzy:
Czajko, Jakub
Powiązania:
https://bibliotekanauki.pl/articles/1156640.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Quaternionic division by zero
multiplication by infinity
multispatiality
Opis:
Quaternionic division by zero is implemented as an algebraic multiplication by infinity performed in a 4D multispatial hyperspace. The operation is shown to be possible when it is executed within abstract multispatial hyperspace comprising several pairs of quasigeometric spaces (or quasispatial structures), which are paired as primary and its dual reciprocal space.
Źródło:
World Scientific News; 2018, 94, 2; 190-216
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A computation algorithm for Strassens matrix multiplication
Algorytm obliczania iloczynu macierzowego Strassena
Autorzy:
Tariov, A.
Gliszczyński, M.
Powiązania:
https://bibliotekanauki.pl/articles/154595.pdf
Data publikacji:
2010
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
iloczyn macierzowy Strassena
szybkie algorytmy
Strassen's matrix multiplication
fast algorithms
Opis:
In the work the vectorized algorithm for Strassen's matrix product calculating is presented. Unlike the proposed in other works "some recommendations" relating to the Strassen's matrix multiplication implementation, we offer specific computational procedures that allow correctly describe the entire sequence of transformations needed to obtain the final result. The proposed algorithm can be successfully applied to accelerate calculations in the FPGA-based platforms.
W pracy został przedstawiony wektoryzowany algorytm wyznaczenia iloczynu macierzowego Strassena. W odróżnieniu od poruszanych w innych publikacjach wybranych uwag dotyczących realizacji metody Strassena w niniejszej pracy zaproponowane są konkretne procedury, opisujące cały proces obliczeniowy i pozwalające na podstawie wykonania skończonej liczby etapów przetwarzania danych wejściowych otrzymać wynik końcowy. Została roztrząśnięta synteza proponowanego algorytmu oraz pokazana postać stosownego grafu przepływowego dla przykładu mnożenia macierzy drugiego rzędu. Zaproponowany algorytm może być sukcesywnie zastosowany do przyspieszonej realizacji obliczeń w platformach FPGA oraz zaimplementowany w wybranym środowisku sprzętowym. Niewątpliwym atutem odróżniającym przedstawione rozwiązanie od tradycyjnego algorytmu jest również brak rekurencji obliczeń, co daje dodatkowy zysk przy zrównolegleniu procesu wyznaczenia iloczynu.
Źródło:
Pomiary Automatyka Kontrola; 2010, R. 56, nr 7, 7; 691-693
0032-4140
Pojawia się w:
Pomiary Automatyka Kontrola
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dual reference beam digital off-axis holography for exact suppression of zero-order term and twin image without spectrum loss
Autorzy:
Wang, M.
Wang, K.
Zheng, M.
Li, F.
Wu, J.
Powiązania:
https://bibliotekanauki.pl/articles/174894.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
noise suppression
pixel-by-pixel multiplication
digital off-axis holography
Opis:
In this paper, we describe an effective approach to suppressing zero-order term and twin image by using pixel-by-pixel multiplication of double holograms in digital off-axis holography. This method records two holograms, respectively, by using the reference waves in different directions. It shows not only a simpler algorithm and easier implementation in experiment, but also exact and complete suppression of the zero-order term and twin image without any spectrum loss of the object in the image reconstruction, particularly when the image and the zero-order term are fairly close to each other. The experimental result approves of the theoretical prediction very well. This approach provides an effective solution to suppressing undesired noises in the digital off-axis holography.
Źródło:
Optica Applicata; 2017, 47, 3; 435-443
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cesàro summability of Taylor series in higher order weighted Dirichlet-type spaces
Autorzy:
Ghara, Soumitra
Gupta, Rajeev
Reza, Md. Ramiz
Powiązania:
https://bibliotekanauki.pl/articles/29519753.pdf
Data publikacji:
2024
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
weighted Dirichlet-type integrals
Cesàro means
summability
Hadamard multiplication
Opis:
For a positive integer $ m $ and a finite non-negative Borel measure $ \mu $ on the unit circle, we study the Hadamard multipliers of higher order weighted Dirichlet-type spaces $ \mathcal{H}_{\mu,m} $. We show that if $ \alpha > 1/2 $, then for any $ f $ in $ \mathcal{H}_{\mu,m} $, the sequence of generalized Cesàro sums $ { \sigma_n^\alpha | f | } $ converges to $ f $. We further show that if $ \alpha = 1/2 $ then for the Dirac delta measure supported at any point on the unit circle, the previous statement breaks down for every positive integer $ m $.
Źródło:
Opuscula Mathematica; 2024, 44, 3; 373-390
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution to the Hadamard multiplication theorem
Autorzy:
Parol, Maciej
Partyka, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/2078947.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
Hadamard product
holomorphic extension
star product
Hadamard multiplication theorem
Opis:
In this article we define a binary linear operator T for holomorphic functions in given open sets \(A\) and \(B\) in the complex plane under certain additional assumptions. It coincides with the classical Hadamard product of holomorphic functions in the case where \(A\) and \(B\) are the unit disk. We show that the operator T exists provided \(A\) and \(B\) are simply connected domains containing the origin. Moreover, T is determined explicitly by means of an integral form. To this aim we prove an alternative representation of the star product \(A*B\) of any sets \(A,B\subset\mathbb{C}\) containing the origin. We also touch the problem of holomorphic extensibility of Hadamard product.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska, sectio A – Mathematica; 2021, 75, 2; 94-107
0365-1029
2083-7402
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska, sectio A – Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 52

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