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3 results for “Stability curve”
Theoretical Resolution of the Birch and Swinnerton-Dyer Conjecture: A Comprehensive Approach: Stability Approach and Numerical Investigation of Elliptic Curves
<p>Abstract</p> <p> </p> <p>This paper introduces a comprehensive theoretical analysis of the Birch-Swinnerton-Dyer Conjecture, a longstanding and profound challenge in modern number theory. Our approach is built upon a novel method of stable numerical integration and Fourier transformation, specifically tailored to analyze elliptic curves under extreme mathematical and computational conditions. The method developed aims to ensure the stability of numerical computations, even when dealing with highly complex parameters and challenging computational environments. By maintaining computational stability, this approach allows for precise analysis of elliptic curves, revealing deeper insights into their properties without compromising the accuracy of the results.</p> <p> </p> <p>The significance of this method lies in its ability to provide reliable convergence results, which are crucial for understanding the deeper mathematical structure of elliptic curves. These structures are intimately tied to the Birch-Swinnerton-Dyer Conjecture, making this work a potentially important contribution to the ongoing efforts to address this conjecture.</p> <p> </p> <p>f(x) = e^{-tx^2} \quad \sqrt{\infty} \int_{0}^{\infty} t dt \quad (\text{Stable numerical integration})</p> <p> </p> <p>F{g(t)} = \int_{-\infty}^{\infty} g(t)e^{-i\omega t} dt \quad (\text{Stability of Fourier transformation}) ]</p> <p> </p> <p>y^2 = x^3 + ax + b \quad (\text{Elliptic curve and its numerical stability})</p> <p> </p> <p>The results presented in this theoretical study provide a significant step forward in the analysis of elliptic curves and their relation to the Birch-Swinnerton-Dyer Conjecture. While the analysis offers substantial progress, the findings remain theoretical and are subject to further review and validation by the broader mathematical community.</p> <p> </p> <p>In this paper, we will showcase the methods and frameworks used to achieve stable numerical results under extreme conditions, alongside a discussion of the potential implications for future research. These methods open new possibilities for tackling the Birch-Swinnerton-Dyer Conjecture and offer a foundation for further exploration into the deeper properties of elliptic curves. While detailed calculations and specific results are beyond the scope of this abstract, we present an overview of the approach taken and the rigorous mathematical tools employed. These include advanced techniques in numerical integration and Fourier analysis, both of which have been crucial in ensuring the accuracy and stability of the elliptic curve analysis.</p> <p> </p> <p>This theoretical work marks a significant contribution to the ongoing dialogue surrounding the Birch-Swinnerton-Dyer Conjecture. However, the results are preliminary, and further evaluation and peer review will be necessary to determine their full impact on the field. The proposed method offers a solid foundation for future investigations and potential advancements in the theory of elliptic curves.</p> <p> </p> <p> </p> <p>---</p> <p> </p> <p> </p>
Pre-calculated turning points of Stability-curve for stationary Shakura-Sunyaev accretion disc
<p>The pre-calculated turning points for surface density <span class="math-tex">\(\Sigma\)</span>, effective temperature <span class="math-tex">\(T_{\rm eff}\)</span> and accretion rate <span class="math-tex">\(\dot{M}\)</span> of S-shaped stability curve for stationary Shakura-Sunyaev viscous accretion disc. Calculations performed for 20 linearly scaled values of central source mass from <span class="math-tex">\(1\, M_{\odot}\)</span> to <span class="math-tex">\(20\, M_{\odot}\)</span>, 20 logarithmically scaled values of viscous parameter <span class="math-tex">\(\alpha\)</span> from <span class="math-tex">\(3\cdot10^{-4}\)</span> to 0.7, 20 logarithmically scaled values of radius from <span class="math-tex">\(7\cdot10^7\)</span> cm to <span class="math-tex">\(5\cdot10^{11}\)</span> cm.</p> <p><a href="https://github.com/AndreyTavleev/DiscVerSt">The new open-source Python3 code</a> is used to calculate the vertical structure of the disc with tabular opacity (solar chemical composition) and both convective and radiative energy transport taking into account. As a result, one can obtain S-shaped stability curve — a graphically depicted sequence of solutions of the vertical-structure equations, obtained at a single disc radius, in the coordinates of accretion rate or effective temperature versus the surface density. S-curve turn points allow to investigate the stability of disc with respect to temperature and surface density fluctuations. </p> <p>Reading of the data (Python3):</p> <pre><code class="language-python">import numpy as np data = np.genfromtxt('Turn_points_array.dat', names=True)</code></pre> <p> </p>
Long-term stability of orthodontically treated patients with a deep curve of Spee: a retrospective longitudinal study
<p>Dataset for all analyses. Initially, the dataset will be made available to the editor and reviewers for the peer-review phase. After acceptance, the dataset will be made openly available to anyone.</p>
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