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Wyszukujesz frazę "Heisenberg" wg kryterium: Temat


Tytuł:
A restriction theorem for the Heisenberg motion
Autorzy:
Ratnakumar, P. K.
Rawat, Rama
Thangavelu, S.
Powiązania:
https://bibliotekanauki.pl/articles/1219046.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
Hermite function
special Hermite function
Laguerre function
class-1 representation
Heisenberg motion group
Opis:
We prove a restriction theorem for the class-1 representations of the Heisenberg motion group. This is done using an improvement of the restriction theorem for the special Hermite projection operators proved in [13]. We also prove a restriction theorem for the Heisenberg group.
Źródło:
Studia Mathematica; 1997, 126, 1; 1-12
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Some remarks on Bochner-Riesz means
Autorzy:
Thangavelu, S.
Powiązania:
https://bibliotekanauki.pl/articles/965807.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
unitary representations
Schrödinger operators
Bochner-Riesz means
nilpotent groups
Rockland operators
Heisenberg group
summability
Opis:
We study $L^p$ norm convergence of Bochner-Riesz means $S_R^δ f$ associated with certain non-negative differential operators. When the kernel $S_R^m(x,y)$ satisfies a weak estimate for large values of m we prove $L^p$ norm convergence of $S_R^δ f$ for δ > n|1/p-1/2|, 1 < p < ∞, where n is the dimension of the underlying manifold.
Źródło:
Colloquium Mathematicum; 2000, 83, 2; 217-230
0010-1354
Pojawia się w:
Colloquium Mathematicum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Digital information processing: The Lie groups defining the filter banks of the compact disc
Autorzy:
Binz, E.
Shempp, W.
Powiązania:
https://bibliotekanauki.pl/articles/1963000.pdf
Data publikacji:
2002
Wydawca:
Politechnika Gdańska
Tematy:
information technology
CD-Digital Audio format
holographic data storage
Heisenberg Lie group
filter bank design
Opis:
The versality of the compact disc (CD) has quickly become apparent to manufacturers and users alike. Exceeding the expectations of even its most ardent supporters, the CD holographic disc storage system has become one of the most successful consumer electronics products ever introduced. The phenomenal success of the audio CD on the eager worldwide marketplace has encouraged rapid development of CD technology and spawned entirely new high tech applications for the dimpled disc. The Mini Disc (MD), for instance, occupies about one-fourth the area of the standard CD-Digital Audio (CD-DA) format yet provides an identical playing time through efficient data reduction. The essence of digital audio lies in its numerical basis. It is the aim of the present paper to elaborate the mathematical principles underlying the audio CD as far as they are concerned to the format's electronic and holographic principles.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2002, 6, 2; 283-307
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Teorie kwantowe jako podstawa nowoczesnej kryptografii
Quantum theories as modern cryptography basis
Autorzy:
Sobota, M.
Powiązania:
https://bibliotekanauki.pl/articles/326360.pdf
Data publikacji:
2012
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
kryptografia kwantowa
mechanika kwantowa
zasada nieoznaczoności Heisenberga
splątanie kwantowe
quantum cryptography
quantum mechanics
Heisenberg uncertainty principle
quantum entanglement
Opis:
Artykuł przedstawia kilka fundamentalnych praw oraz twierdzeń mechaniki kwantowej stanowiących podstawę kryptografii kwantowej.
This paper presents some fundamental rights and theorems of quantum mechanics stands base of quantum cryptography.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2012, 61; 277-283
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Existence of solution of sub-elliptic equations on the Heisenberg group with critical growth and double singularities
Autorzy:
Chen, J.
Rocha, E. M.
Powiązania:
https://bibliotekanauki.pl/articles/255734.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
sub-elliptic equations
Heisenberg group
Least energy solutions
Opis:
For a class of sub-elliptic equations on Heisenberg group HN with Hardy type singularity and critical nonlinear growth, we prove the existence of least energy solutions by developing new techniques based on the Nehari constraint. This result extends previous works, e.g., by Han et al. [Hardy-Sobolev type inequalities on the H-type group, Manuscripta Math.118 (2005), 35–252].
Źródło:
Opuscula Mathematica; 2013, 33, 2; 237-254
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kwantowe karty do głosowania jako alternatywa dla klasycznych, asymetrycznych algorytmów uzgadniania kryptograficznego klucza szyfrującego
Quantum voting cards as an alternative for classic algorithms of public key distribution
Autorzy:
Sobota, M.
Powiązania:
https://bibliotekanauki.pl/articles/327118.pdf
Data publikacji:
2013
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
głosowanie elektroniczne
metoda kwantowa
kryptografia kwantowa
zasada nieoznaczoności Heisenberga
electronic voting
quantum method
quantum cryptography
Heisenberg uncertainty principle
Opis:
Artykuł przedstawia model głosowania elektronicznego wykorzystującego kwantowe karty do głosowania opierające się na protokołach kwantowego uzgadniania klucza. Silną stroną modelu jest wykorzystanie zabezpieczeń opartych na prawach fizyki w miejsce bezpieczeństwa obliczeniowego.
The article presents the model using quantum e-voting cards based on protocols of quantum key distribution. The strength of the model is using security based on the laws of physics in a place of computing security.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2013, 64; 217-223
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aria Heisenberga (I). O negatywnych skutkach akcentowania zasady nieoznaczoności w wykładzie teorii atomu
Autorzy:
Szymański, Adam
Powiązania:
https://bibliotekanauki.pl/articles/429171.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Papieski Jana Pawła II w Krakowie
Tematy:
Keywords Werner Heisenberg
uncertainty principle
quantum mechanics
popularization of science
context of discovery
history of science
Opis:
According to the author, a perfect example of the theory, which is considered to be removed from the historical context, is the uncertainty principle. For various reasons, this principle became the most famous element of atomic theory, and it usually serves as kick-off for popular lectures in quantum mechanics. This order of presentation can, however, distort an accurate picture of the uncertainty principle and quantum mechanics in general. In this article we try to identify specifically the misunderstandings initiating a course of quantum mechanics contrary to the chronology from the uncertainty principle can lead.
Źródło:
Semina Scientiarum; 2014, 13
1644-3365
Pojawia się w:
Semina Scientiarum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The vision of the future without atomic power
Autorzy:
Nakatomi, Kiyokazu
Powiązania:
https://bibliotekanauki.pl/articles/2131683.pdf
Data publikacji:
2014
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
explosion at Fukushima nuclear plant
atomic bomb
Heisenberg
Heidegger
Jinsaburo Takagi
new energy in future
Opis:
In March 2011 Japan experienced a series of disasters starting from a magnitude 9 earthquake, followed by a devastating tsunami and hydrogen explosion at the Fukushima nuclear plant as a consequence of the damage and failure of the cooling system incurred from the tsunami wave. This triple severe impact crippled Japanese people living in the area up to 20 km from the damaged plant who were forcibly evacuated, many of them forsaking their hometowns forever. As the Chernobyl accident demonstrated before, we cannot fully embrace the nuclear power. It would seem natural that Japan, being the only country that experienced destruction caused by the nuclear bombings of Hiroshima and Nagasaki, would be entirely avoiding the use of nuclear power. Up until now, nuclear power was thought to be a clean and safe source of energy while potential consequences of an accident were played down. Too bad, the last earthquake and tsunami pierced the veil of that belief. Despite the fact that one year has passed since the explosion and the nuclear contamination, the crisis continues while the area in the radius of 20 km from the former Fukushima nuclear power plant is a collection of ghost towns. For the politicians, nuclear power is a blessing, because it provides cheap energy for the economy and creates jobs. On the other hand it is just too dangerous and it is inconceivable to sacrifice the livelihoods of hundreds of thousands for the benefits of so few. Although the benefits for the economy are undisputed, I don’t think we need nuclear power anymore. In this essay, I would like to share my vision of a Japan without nuclear power referring to the predictions of Martin Heidegger and the Japanese physicist Jinsaburo Takagi.
Źródło:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2014, 4(15); 5-10
1898-8431
Pojawia się w:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Fundamental Holographic Uncertainty Principle and its Primary Applications
Autorzy:
Kabe, Koustubh
Powiązania:
https://bibliotekanauki.pl/articles/1191787.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
holographic principle
holographic uncertainty principle
Heisenberg uncertainty principle
Landauer’s Principle
blackhole entropy
loop quantum gravity
area operator
quantum geometry
general relativity
corrected blackhole horizon
Opis:
The fundamental holographic principle is first proposed, then demonstrated in its validity and viability through a thought experiment and then finally derived. The Heisenberg uncertainty relations are shown to follow from this fundamental relation. The quantum blackhole entropy is then demonstrated using this holographic uncertainty relation along with the application of the Landauer’s principle for the thermodynamic erasure of a bit yielding a formula with a logarithmic correction. The blackhole entropy is found to be half the value normally delivered by any other method. So, it is proposed that there is a real relevant physical horizon at the twice the Schwarzschild radius dubbed the holographic information geometric horizon.
Źródło:
World Scientific News; 2016, 50; 33-48
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Entre o Determinismo e o Indeterminismo: um caminho da física à filosofia
Between Determinism and Indeterminism: A Path from Physics to Philosophy
Autorzy:
Meneses, Ramiro Délio Borges De
Powiązania:
https://bibliotekanauki.pl/articles/485685.pdf
Data publikacji:
2017
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
Determinism, Nature’s Laws and W. Heisenberg principle
Opis:
In this article, I explain the macroscopic aspect of the functions of Nature’s Laws that they are based on actual causality from n-physic structures. However, in the microscopic situation, the Nature’s Laws are statisticals and subjects sentences, that in metric and objective indeterminism of wave-particle duality in fieri are ground. Meanwhile, we propose the philosophical foundations of properties of Nature’s Laws and your epistemological discussion, according to the W. Heisenberg’s principles condition. The uncertainty principle describes limits imposed by nature on the precision of simultaneous measurements of the position and momentum of an object. Mathematically stated, if an object is said to be at a position x within an uncertainty of Δ ; then any simultaneous measurement of the x component of momentum must have an uncertainty Δ x consistent with: Δ x . Δ p x ~ h.
Źródło:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2017, 1(24); 13-32
1898-8431
Pojawia się w:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Approximation and Prediction of the Wind Speed Change Function
Autorzy:
Klen, K.
Zhuikov, V.
Powiązania:
https://bibliotekanauki.pl/articles/410602.pdf
Data publikacji:
2018
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
distributed generation
wind generator
Heisenberg’s uncertainty principle
linear approximation
Walsh functions
regression analysis
Opis:
In the article the features of energy summation from two wind generators, located at a certain distance from each other, are considered. The method of calculating the correlation function between the wind flow speed change functions in the direction of wind distribution is presented. The formulas for describing the fluctuation components of energy at the output of the wind generator are given for two cases: when the phases of the fluctuations of the wind flow on two wind generators are the same and when the fluctuations of the wind flow are in the antiphases. It is shown that to increase the energy level that can be taken from the wind power plant it is necessary to control the phase shift between the energy fluctuations at the output of the wind generators and use the energy of the storages; and to use linear approximations to approximate the wind speed change function. Under the condition of a linear change of the internal resistance of the wind generator in time, it is advisable to introduce the wind speed change function with linear approximations. The system of orthonormal linear functions based on Walsh functions is given. A table with formulas and graphs describing the first 8 functions, which are arranged in order of increasing the number of their sign alternating on the interval of functions definition, is presented. The result of the approximation of the wind speed change function with a system of 8 linear functions based on Walsh functions is shown. Decomposition coefficients, mean-square and average relative approximation errors for such approximation are calculated. In order to find the parameters of multiple linear regression the method of least squares is applied. The regression equation in matrix form is given. An example of application of linear regression prediction method to simple functions is shown. The restoration result for wind speed change function is shown. Decomposition coefficients, mean-square and average relative approximation errors for restoration of wind speed change function with linear regression method are calculated.
Źródło:
Present Problems of Power System Control; 2018, 9; 35-46
2084-2201
Pojawia się w:
Present Problems of Power System Control
Dostawca treści:
Biblioteka Nauki
Artykuł

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