Search Results - "Ellipses (Geometry)"

An Exponential Correction to Ramanujan's Second Formula for Ellipse Perimeter Computation.

Authors: Ayala-Raggi, Salvador E. Rendón-Marín, Manuel

Source: AppliedMath. Apr2026, Vol. 6 Issue 4, p56. 13p.

LINEAR LEAST SQUARES FOR ELLIPTIC ARCS ON ATHLETIC TRACK SURVEYED BY TERRESTRIAL MEASUREMENT METHOD.

Authors: Kodrnja, Iva Šugar, Danijel

Source: Facta Universitatis, Series: Mathematics & Informatics. 2026, Vol. 41 Issue 1, p229-240. 12p.

CONICS ASSOCIATED WITH APOLLONIUS' PROBLEM.

Authors: ERIKSON, ARNE¹ arerikso@gmail.com

Source: International Journal of Geometry. Jan2026, Vol. 15 Issue 1, p5-13. 9p.

Regularity for solutions of non-uniformly elliptic equations in non-divergence form.

Authors: Kim, Jongmyeong Lee, Se-Chan

Source: Revista Mathemática Iberoamericana. 2025, Vol. 41 Issue 6, p2335-2356. 22p.

Delineating valuable content in Byzantine seals by combining deep learning and shape model of the border pattern.

Authors: Şendoğan, Ege Eyharabide, Victoria Bloch, Isabelle

Source: Multimedia Tools & Applications; Sep2025, Vol. 84 Issue 32, p39329-39351, 23p

Eccentricity Correction Methods for Circular Targets in Perspective Projection †.

Authors: Liebold, Frank Maas, Hans-Gerd

Source: Metrology; Jun2026, Vol. 6 Issue 2, p28, 38p

Intracluster light is a close tracer of the dark matter halo shape.

Authors: Fernandez, Adela Bahé, Yannick M Hatch, Nina A et al.

Source: Monthly Notices of the Royal Astronomical Society; 5/10/2026, Vol. 548 Issue 2, p1-17, 17p

New Results About Semi-Regular Polygons Circumscribed Around A Given Ellipse.

Authors: Dahan, Jean-Jacques¹ jjdahan@cs.selu.edu

Source: Asian Technology Conference in Mathematics (ACTM). 2025, p1-15. 15p.

Loci of Equal Viewpoints for Two Ellipses.

Authors: YANG, Wei-Chi¹ wyang@radford.edu

Source: Asian Technology Conference in Mathematics (ACTM). 2025, p1-17. 17p.

Visual outdoor space perception.

Authors: Norman, J. Farley Carmichael, Maria Hagan, Evan et al.

Source: Scientific Reports. 4/4/2025, Vol. 15 Issue 1, p1-10. 10p.

A PLANE ANALYTIC GEOMETRY PROOF OF THE FORMULAS FOR THE INSCRIBED AND CIRCUMSCRIBED ELLIPSES OF THREE CONJUGATE ELLIPSES.

Authors: MANFRIN, RENATO¹ anfrin@iuav.it

Source: Global Journal of Advance Research on Classical & Modern Geometries. 2025, Vol. 14 Issue 1, p139-147. 9p.

Geometric Construction of a Family of Keplerian Ellipses.

Alternate Title: Geometrijska konstrukcija familije Keplerovih elipsa.

Authors: GLAESER, GEORG¹ georg.glaeser@uni-ak.ac.at

Source: KoG (1331-1611). 2025, Vol. 29 Issue 29, p53-62. 10p.

On geometric construction of some means on the ellipse.

Authors: Spíchal, Luděk¹ (AUTHOR) spichal@clatrutnov.cz

Source: Mathematics Magazine. Apr2026, Vol. 99 Issue 2, p134-139. 6p.

Subject Terms: Geometrical constructions, Ellipses (Geometry), Arithmetic mean

Local strong Birkhoff conjecture and local spectral uniqueness of almost every ellipse.

Authors: Koval, Illya¹ (AUTHOR) illyakoval2001@gmail.com

Source: Inventiones Mathematicae. Apr2026, Vol. 244 Issue 1, p221-298. 78p.

Elliptical Orbit Representation for the Annual Evolution of the Northern Hemisphere Stratospheric Polar Vortex. Part II: Long‐Lead Forecasts of Wintertime S2S Anomalies.

Authors: Secor, Michael Sun, Jie Yu, Yueyue et al.

Source: Journal of Geophysical Research. Atmospheres. 3/16/2026, Vol. 131 Issue 5, p1-23. 23p.

Subject Terms: *Long-range weather forecasting, *Atmospheric circulation, Stratospheric circulation, Ellipses (Geometry), Statistical models

Geographic Terms: Northern Hemisphere

Relic of quadrupole deformation produced in a hot neutron star era.

Authors: Kojima, Yasufumi Dohi, Akira Kisaka, Shota et al.

Source: Monthly Notices of the Royal Astronomical Society; Mar2026, Vol. 546 Issue 3, p1-8, 8p

110.17 Elliptic regular polygons.

Authors: Katsuura, Hidefumi¹ (AUTHOR) hidefumi.katsuura@sjsu.edu

Source: Mathematical Gazette. Mar2026, Vol. 110 Issue 577, p173-180. 8p.

Integrability of Kepler billiards at zero-energy.

Authors: Zhao, Lei¹ (AUTHOR) zhao1899@dlut.edu.cn

Source: Archiv der Mathematik. Mar2026, Vol. 126 Issue 3, p329-333. 5p.

The Euler Sombor index of a graph.

Authors: Tang, Zikai Li, Yunping Deng, Hanyuan

Source: International Journal of Quantum Chemistry. 5/5/2024, Vol. 124 Issue 9, p1-9. 9p.

Subjects: Molecular structure, Ellipses (Geometry)

Extended Caking Method for Strain Analysis of Polycrystalline Diffraction Debye–Scherrer Rings.

Authors: Uzun, Fatih Daisenberger, Dominik Liogas, Konstantinos et al.

Source: Crystals (2073-4352); Aug2024, Vol. 14 Issue 8, p716, 14p