artigos científicos (2022-atual)

Por Ronaldo Alves Actualizado en 17/02/26 10:39

Publicações indexadas recentes. Acessar Zentralblatt (acesso livre) e MathReview.

 

2026.

Conformally invariant skew curves for the total skew curvature on surfaces of R3.   Zbl 08127411

Res. Math. Sci. 12, No. 4, Paper No. 83, 20 p. (2025).

 

2024.

Garcia, Ronaldo; Mello, Luis Fernando

Legacy of Jorge Sotomayor. Zbl 1556.01044

São Paulo J. Math. Sci. 18, No. 2, 1284-1304 (2024).

Craizer, Marcos; Garcia, Ronaldo

Dual relations between line congruences inR3and surfaces inR4. Zbl 1547.53014

Res. Math. Sci. 11, No. 2, Paper No. 30, 15 p. (2024).


2023.

Garcia, Ronaldo; Gheorghe, Liliana Gabriela; Reznik, Dan

Exploring the Steiner-Soddy porism.  Zbl 1562.51023

Cheng, Liang-Yee (ed.), ICGG 2022 – proceedings of the 20th international conference on geometry and graphics, virtual, August 15–19, 2022. Cham: Springer. Lect. Notes Data Eng. Commun. Technol. 146, 34-46 (2023).

 

Garcia, Ronaldo; Tejada, Dimas

Principal lines on an ellipsoid in a Minkowski three-dimensional space.  Zbl 1532.53051

Helman, Mark; Laurain, Dominique; Garcia, Ronaldo; Reznik, Dan

Invariant center power and elliptic loci of Poncelet triangles.  Zbl 1511.51011

J. Dyn. Control Syst. 29, No. 1, 157-184 (2023).

 

 

 2022.

Garcia, Ronaldo; Lopes, Débora; Sotomayor, Jorge

Critical principal singularities of hypersurfaces in Euclidean 4-spaces.  Zbl 1529.53010

J. Singularities  25, 150-172 (2022).

Craizer, Marcos; Garcia, Ronaldo A.

Curvature lines of a transversal equiaffine vector field along a surface in 3-space.   Zbl 1529.53015

J. Singularties 25, 134-143 (2022).

 

Sotomayor, Jorge; Lopes, Débora; Garcia, Ronaldo

Principal curvature lines near a partially umbilic point of codimension one.  Zbl 1496.53035

Lobachevskii J. Math. 43, No. 1, 162-181 (2022).

 

A matryoshka of Brocard porisms.   Zbl 1494.51006

 

Area-invariant pedal-like curves derived from the ellipse.   Zbl 1497.53010

 
  

Axial curvature cycles of surfaces immersed in R4.  Zbl 1496.53009