Search Results - "Algebraic surface"

Newton-Okounkov bodies and Picard numbers on surfaces

Authors: Julio-José Moyano-Fernández Mathias Nickel Joaquim Roé

Source: Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona

Subject Terms: Mathematics - Algebraic Geometry, Algebraic surface, Newton-Okounkov body, Picard number, FOS: Mathematics, 14C20, 14E15, 14C22, 13A18, Blowup, 0101 mathematics, Mathematics - Commutative Algebra, Commutative Algebra (math.AC), 01 natural sciences, Algebraic Geometry (math.AG), Valuation

File Description: application/pdf

Access URL: http://arxiv.org/abs/2101.05338
https://ddd.uab.cat/record/304450

Geometric Investigation of Three Thin Shells with Ruled Middle Surfaces with the Same Main Frame

Authors: Gerard L. Gbaguidi Aisse Olga O. Aleshina Iraida A. Mamieva

Source: Structural Mechanics of Engineering Constructions and Buildings, Vol 20, Iss 2, Pp 146-158 (2024)

Subject Terms: 0203 mechanical engineering, algebraic surface, Architectural engineering. Structural engineering of buildings, TH845-895, main frame of the surface, 02 engineering and technology, thin shell, ruled surface, superellipse, 0201 civil engineering

Access URL: https://doaj.org/article/351621ca0ebe45bfb76e3f9b252bd009

Asymptotic Behavior of a Parametric Algebraic Surface

Authors: Pérez Díaz, Sonia Fernández de Sevilla Vellón, María de los Ángeles Magdalena Benedicto, Rafael

Source: e_Buah Biblioteca Digital Universidad de Alcalá
instname

Subject Terms: Approaching surfaces, Infinity branches, Matemáticas, Parametric algebraic surface, Convergent branches, Asymptotic behavior, Mathematics

File Description: application/pdf

Rational distances from given rational points in the plane

Authors: Corvaja, Pietro Turchet, Amos Zannier, Umberto et al.

Contributors: Corvaja, Pietro Turchet, Amos Zannier, Umberto et al.

Subject Terms: Algebraic surface, Elliptic fibration, Rational distance, Rational points, Settore MAT/03 - Geometria, Settore MATH-02/B - Geometria

Relation: info:eu-repo/semantics/altIdentifier/wos/WOS:001497123400001; volume:219; issue:4; firstpage:1; lastpage:35; numberofpages:35; journal:GEOMETRIAE DEDICATA; https://hdl.handle.net/11384/158683

Availability: https://hdl.handle.net/11384/158683
https://doi.org/10.1007/s10711-025-01019-0

The Algebraic Surfaces of the Enneper Family of Maximal Surfaces in Three Dimensional Minkowski Space

Authors: Guler, Erhan

Subject Terms: Weierstrass Representation, Enneper Maximal Surface, Algebraic Surface, Degree, Class

Relation: Axioms; Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı; https://doi.org/10.3390/axioms11010004; https://hdl.handle.net/11772/20132; 11; Q1; WOS:000759794300001; Q2

Availability: https://hdl.handle.net/11772/20132
https://doi.org/10.3390/axioms11010004

Newton-Okounkov bodies and Picard numbers on surfaces

Authors: Moyano Fernández, Julio José 4u Universitat Jaume I. Departamento de Matemática Nickel, Matthias Roé Vellvé, Joaquim

Subject Terms: Valuation, Blowup, Newton-Okounkov body, Algebraic surface, Picard number

File Description: application/pdf

Relation: Publicacions matemàtiques; Vol. 69 Núm. 1 (2025), p. 3-25; https://ddd.uab.cat/record/304450; urn:10.5565/PUBLMAT6912501; urn:oai:ddd.uab.cat:304450; urn:oai:raco.cat:article/433253; urn:articleid:20144350v69n1p3

Availability: https://ddd.uab.cat/record/304450

Geometry and static analysis of thin shells in the form of a diagonal translation surface of the velaroidal type

Authors: Olga O. Aleshina

Source: Structural Mechanics of Engineering Constructions and Buildings, Vol 19, Iss 1, Pp 84-93 (2023)

Subject Terms: parametric equations, algebraic surface, finite element method, Architectural engineering. Structural engineering of buildings, TH845-895, surface, stress-strain state, superellipse

Access URL: https://doaj.org/article/6e15d32c44054fc183a5df24689cc5da

Nonchaotic Behavior and Transition to Chaos in Lorenz-like Systems Having Invariant Algebraic Surfaces

Authors: Marcelo MESSİAS Rafael Paulino SİLVA Universidade Estadual Paulista (UNESP)

Contributors: Marcelo MESSİAS Rafael Paulino SİLVA Universidade Estadual Paulista (UNESP)

Source: Chaos Theory and Applications, Vol 4, Iss 1, Pp 26-36 (2022)
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Volume: 4, Issue: 1 26-36
Chaos Theory and Applications

Subject Terms: darboux invariant, T57-57.97, Applied mathematics. Quantitative methods, lorenz-like systems, Applied Mathematics, Chaotic and nonchaotic dynamics, QA75.5-76.95, Lorenz-like systems, Darboux theory of integrability, Invariant algebraic surface, Darboux invariant, Stable and unstable manifolds, 01 natural sciences, chaotic and nonchaotic dynamics, stable and unstable manifolds, Electronic computers. Computer science, Uygulamalı Matematik, 0103 physical sciences, invariant algebraic surface, darboux theory of integrability

File Description: application/pdf

Access URL: https://dergipark.org.tr/en/download/article-file/2076638
https://doaj.org/article/4d600a2c438e49dd89cc2bac8bb100f0
https://dergipark.org.tr/tr/pub/chaos/issue/63571/1022368

Ruled algebraic surfaces with a main frame from three superellipses

Authors: Iraida A. Mamieva

Source: Structural Mechanics of Engineering Constructions and Buildings, Vol 18, Iss 4, Pp 387-395 (2022)

Subject Terms: main frame of surface, algebraic surface, Architectural engineering. Structural engineering of buildings, TH845-895, cylindroid, ruled surface, superellipse

Access URL: https://doaj.org/article/3154e16c89134044941b2e25e1065b6a

Quartic monoid surfaces with maximum number of lines

Authors: Beltrametti M. C. Logar A. Torrente M. et al.

Contributors: Beltrametti M. C. Logar A. Torrente M. et al.

Source: Journal of Symbolic Computation. 109:250-258

Subject Terms: Constructive geometry, Algebraic surface, Incidence structure, j-function, Quartic monoid surface, [INFO] Computer Science [cs], 01 natural sciences, Mathematics - Algebraic Geometry, [INFO.INFO-CG] Computer Science [cs]/Computational Geometry [cs.CG], 0103 physical sciences, FOS: Mathematics, 0101 mathematics, Algebraic Geometry (math.AG)

File Description: application/pdf

Access URL: http://arxiv.org/pdf/1912.08125
http://arxiv.org/abs/1912.08125
https://inria.hal.science/hal-02912119v1
https://www.sciencedirect.com/science/article/pii/S0747717120300602
http://hdl.handle.net/11368/2974481
https://www.sciencedirect.com/science/article/pii/S0747717120300602
https://ui.adsabs.harvard.edu/abs/2019arXiv191208125C/abstract
https://hal.inria.fr/hal-02912119
https://dblp.uni-trier.de/db/journals/jsc/jsc109.html#BeltramettiLT22
https://hal.archives-ouvertes.fr/hal-02912119v1
https://hal.inria.fr/hal-02912119/document

The Euler Characteristic of Parabolic Sheaves

Authors: R Parthasarathi P Gargi

Subject Terms: Euler characteristic, Hilbert polynomial, Chern class, Parabolic sheaves, Smooth projective algebraic surface

Relation: https://zenodo.org/records/14651592; oai:zenodo.org:14651592; https://doi.org/10.17485/IJST/v17i16.493

Availability: https://doi.org/10.17485/IJST/v17i16.493
https://zenodo.org/records/14651592
https://indjst.org/articles/the-euler-characteristic-of-parabolic-sheaves

Hydrodynamic surfaces with midsection in the form of Lame curve

Authors: Valery V. Karnevich

Source: RUDN Journal of Engineering Research, Vol 22, Iss 4, Pp 323-328 (2021)

Subject Terms: midsection, ship surface, algebraic surface, lame curve, hydrodynamic surface, 02 engineering and technology, TA1-2040, Engineering (General). Civil engineering (General), 0201 civil engineering

Access URL: https://doaj.org/article/1230c56f01da477680a0b3bb904df031

A K-contact simply connected 5-manifold with no semi-regular Sasakian structure

Authors: Alejandro Cañas Vicente Muñoz Juan Rojo et al.

Source: Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona

Subject Terms: Mathematics - Differential Geometry, Sasakian, 53C25, 53D35, 57R17, 14J25, 01 natural sciences, Smale-barden manifold, Mathematics - Algebraic Geometry, Algebraic surface, Differential Geometry (math.DG), Mathematics - Symplectic Geometry, FOS: Mathematics, Symplectic Geometry (math.SG), K-contact, Seifert bundle, 0101 mathematics, Algebraic Geometry (math.AG)

File Description: application/pdf

Access URL: http://arxiv.org/pdf/1911.08901
http://arxiv.org/abs/1911.08901
https://ddd.uab.cat/record/248607
https://dialnet.unirioja.es/servlet/articulo?codigo=8017631
https://projecteuclid.org/journals/publicacions-matematiques/volume-65/issue-2/A-K-contact-simply-connected-mathbf-5-manifold-with-no/10.5565/PUBLMAT6522107.full

Algebraic ship hull surfaces with a main frame from three plane curves in coordinate planes

Authors: Sergey N. Krivoshapko

Source: RUDN Journal of Engineering Research, Vol 23, Iss 3, Pp 207-212 (2022)

Subject Terms: ship hull, superellipse, computer modeling, waterline, main buttock, midship section, algebraic surface, Engineering (General). Civil engineering (General), TA1-2040

File Description: electronic resource

Relation: https://journals.rudn.ru/engineering-researches/article/viewFile/33076/21514; https://doaj.org/toc/2312-8143; https://doaj.org/toc/2312-8151

Access URL: https://doaj.org/article/30c351be0d174ccd9b6e3f41e8220431

Generating hydrodynamic surfaces by families of Lame curves for modelling submarine hulls

Authors: Valery V. Karnevich

Source: RUDN Journal of Engineering Research, Vol 23, Iss 1, Pp 30-37 (2022)

Subject Terms: hydrodynamic surface, algebraic surface, submarine, vessel, midsection, lame curve, Engineering (General). Civil engineering (General), TA1-2040

File Description: electronic resource

Relation: https://journals.rudn.ru/engineering-researches/article/viewFile/31243/20767; https://doaj.org/toc/2312-8143; https://doaj.org/toc/2312-8151

Access URL: https://doaj.org/article/9d319620ba9b4a2398bfcabd89487f86

A Cubic Memristive System with Two Twin Rössler-Type Chaotic Attractors Symmetrical About an Invariant Plane

Authors: Messias, Marcelo Meneguette, Messias De Carvalho Reinol, Alisson et al.

Contributors: Messias, Marcelo Meneguette, Messias De Carvalho Reinol, Alisson et al.

Source: Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP

Subject Terms: chaotic dynamics, Poincaré compactification, dynamics at infinity, Memristive circuit, 0103 physical sciences, electronic circuit implementation, invariant algebraic surface, 01 natural sciences, Rössler-type attractor

Whitney, Kuo–Verdier and Lipschitz stratifications for the surfaces y=zx+x

Authors: David Trotman Dwi Juniati Laurent Noirel et al.

Contributors: David Trotman Dwi Juniati Laurent Noirel et al.

Source: Topology and its Applications. 234:335-347

Subject Terms: Mathematics - Algebraic Geometry, Algebraic surface, Singularity, [MATH.MATH-AG] Mathematics [math]/Algebraic Geometry [math.AG], FOS: Mathematics, Kuo-Verdier regularity, Stratification, Whitney conditions, 32S15, 0101 mathematics, Algebraic Geometry (math.AG), 01 natural sciences, Lipschitz stratification

Access URL: http://arxiv.org/abs/1701.05102
https://hal.archives-ouvertes.fr/hal-02025493
https://www.sciencedirect.com/science/article/pii/S0166864117306223
http://ui.adsabs.harvard.edu/abs/2017arXiv170105102J/abstract

Irrational open surfaces of non-negative logarithmic Kodaira dimension

Authors: Kojima, Hideo

Source: Algebraic Varieties and Automorphism Groups, K. Masuda, T. Kishimoto, H. Kojima, M. Miyanishi and M. Zaidenberg, eds. (Tokyo: Mathematical Society of Japan, 2017)

Subject Terms: Open algebraic surface, 14R25, logarithmic Kodaira dimension, logarithmic plurigenus, 14J26, 0101 mathematics, 01 natural sciences

File Description: application/pdf

Access URL: https://projecteuclid.org/download/pdf_1/euclid.aspm/1537498710
https://projecteuclid.org/euclid.aspm/1537498710

Global and Local Properties of Pencils of Algebraic Curves

Authors: Ashikaga, Tadashi Konno, Kazuhiro

Source: Algebraic Geometry 2000, Azumino, S. Usui, M. Green, L. Illusie, K. Kato, E. Looijenga, S. Mukai and S. Saito, eds. (Tokyo: Mathematical Society of Japan, 2002)

Subject Terms: monodromy, 14D06, degeneration, Morsification, 01 natural sciences, 57M99, fibration, 32S50, Horikawa index, algebraic surface, 14H15, 0101 mathematics, 14J29, relative canonical algebra

File Description: application/pdf

Access URL: https://projecteuclid.org/ebooks/advanced-studies-in-pure-mathematics/Algebraic%20Geometry%202000
%20Azumino/chapter/Global%20and%20Local%20Properties%20of%20Pencils%20of%20Algebraic%20Curves/10.2969/aspm/03610001
https://projecteuclid.org/download/pdf_1/euclid.aspm/1548550675
https://projecteuclid.org/euclid.aspm/1548550675

Application of Orthogonal Polynomial in Orthogonal Projection of Algebraic Surface

Authors: Xudong Wang Xiaowu Li Yuxia Lyu

Source: Axioms, Vol 11, Iss 544, p 544 (2022)

Subject Terms: point orthogonal projection, algebraic surface, orthogonal polynomial, Newton’s gradient descent method, hybrid geometric accelerating orthogonal method, Mathematics, QA1-939

Relation: https://www.mdpi.com/2075-1680/11/10/544; https://doaj.org/toc/2075-1680; https://doaj.org/article/38b7eac5a72d4137a0a053def5d3919f

Availability: https://doi.org/10.3390/axioms11100544
https://doaj.org/article/38b7eac5a72d4137a0a053def5d3919f