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Approximation of the Mechanical Response of Large Lattice Domains Using Homogenization and Design of Experiments.
Diego Montoya-Zapata, Diego A. Acosta, Camilo Cortes, Juan Pareja-Corcho, Aitor Moreno, Jorge Posada, Oscar Ruiz-Salguero.  Journal Applied Sciences, (ISSN 2076-3417; CODEN: ASPCC7), 2020, 10(11), 3858;
(This article belongs to the Special Issue Computational and Mathematical Methods in Engineering and Information Science).
url=  https://www.mdpi.com/2076-3417/10/11/3858  ,
doi= https://doi.org/10.3390/app10113858  ,
Published online: 1 June 2020

Open Access Version

Fast Simulation of Laser Heating Processes on Thin Metal Plates with FFT Using CPU/GPU Hardware.
Daniel Mejia-Parra, Ander Arbelaiz, Oscar Ruiz-Salguero, Juan Lalinde-Pulido, Aitor Moreno, Jorge Posada.  Journal Applied Sciences, (ISSN 2076-3417; CODEN: ASPCC7),  2020, 10(9), 3281;
(This article belongs to the Special Issue New Industry 4.0 Advances in Industrial IoT and Visual Computing for Manufacturing Processes: Volume II).
url=  https://www.mdpi.com/2076-3417/10/9/3281  ,
doi= https://doi.org/10.3390/app10093281  ,
Published online: 8 May 2020

Open Access Version

Skin-friction Measurements in Turbulent Boundary Layers.
Cristian Rendon-Cardona, Zhoushun Ruan,  Oscar Ruiz-Salguero.  International Journal of Engineering and Technology,
e-ISSN : 0975-4024 p-ISSN : 2319-8613, volume 12, issue 1, Publisher Eng Journals.
url=  http://www.enggjournals.com/ijet/abstract.html?file=20-12-01-002,
doi= {DOI : 10.21817/ijet/2020/v12i1/201201002}
Received: 27 January 2020; Published: 29 February  2020

Open Access Version

Density-Sensitive Implicit Functions Using Sub-Voxel Sampling in Additive Manufacturing.
Diego Montoya-Zapata, Aitor Moreno, Juan Pareja-Corcho, Jorge Posada, Oscar Ruiz-Salguero.  Journal Metals,
ISSN 2075-4701, volume 9, number 12, Publisher MDPI. Special Issue Modeling Metal 3D Printing Processes,
url= https://www.mdpi.com/2075-4701/9/12/1293,
doi= {10.3390/met9121293}
Received: 30 October 2019; Accepted: 27 November 2019; Published: 30 November 2019

Open Access Version

Quasi-Isometric Mesh Parameterization Using Heat-Based Geodesics and Poisson Surface Fills.
Daniel Mejia-Parra, Jairo R. Sánchez, Jorge Posada, Oscar Ruiz-Salguero, Carlos Cadavid.  Journal Mathematics 2019, 7, 753. Publisher MDPI. Special Issue Discrete and Computational Geometry ,
url: https://www.mdpi.com/2227-7390/7/8/753  ,
doi:    10.3390/math7080753,
e-ISSN 2227-7390 Published by MDPI AG, Basel, Switzerland. Published online: 17-aug-2019.

Open Access Version

Implementation and Visualization of Discrete Computational Geometry Using Database Managers.
Stella Orozco-Ochoa, Oscar Ruiz-Salguero, Carlos A. Cadavid.  International Journal of Engineering and Technology. IJETIY. Vol. 11, Issue: Jun-Jul 2019, No.3,  pp. 391-402 ,
url: www.enggjournals.com/ijet/vol11issue3.html, url: http://www.enggjournals.com/ijet/abstract.html?file=19-11-03-101
doi: 10.21817/ijet/2019/v11i3/191103101,
e-ISSN : 0975-4024 p-ISSN : 2319-8613. Published online: 30-june-2019.

Open Version

FE-simulations with a simplified model for open-cell porous materials: A Kelvin cell approach.
Diego Montoya-Zapata,  Camilo Cortes, Oscar Ruiz-Salguero.   Journal of  Computational Methods in Sciences and Engineering 2019,  pre-press status, pp 1-12, doi: 10.3233/JCM-193669,
url:  https://content.iospress.com/articles/journal-of-computational-methods-in-sciences-and-engineering/jcm193669, IOS Press,  ISSN 1472-7978 (P), ISSN 1875-8983 (E), published online: 27 May 2019.

Pre-print Version

Frequency-domain analytic method for efficient thermal simulation under curved trajectories laser heating
Daniel Mejia-Parra, Aitor Moreno, Jorge Posada, Oscar Ruiz-Salguero, Iñigo Barandiaran, Juan Carlos Poza, Raul Chopitea.  Journal Mathematics and Computers in Simulation,  Elsevier,  2019, pre-press status, doi: https://doi.org/10.1016/j.matcom.2019.05.006,
url: http://www.sciencedirect.com/science/article/pii/S0378475419301557, ISSN 0378-4754, published online: 20 May 2019.

First Draft

In-Line Dimensional Inspection of Warm-Die Forged Revolution Workpieces Using 3D Mesh Reconstruction
Daniel Mejia-Parra, Jairo R. Sanchez, Oscar Ruiz-Salguero, Marcos Alonso, Alberto Izaguirre, Erik Gil, Jorge Palomar,Jorge Posada.  Journal Applied Sciences, 2019, vol. , 9 n. 6, 1069. Special Issue "New Industry 4.0 Advances in Industrial IoT and Visual Computing for Manufacturing Processes" .  url:  https://www.mdpi.com/2076-3417/9/6/1069 , EISSN 2076-3417,  Published by MDPI AG, Basel, Switzerland ,  doi: https://doi.org/10.3390/app9061069 , published online: 2019-03-14.


Wing profile evolution driven by computational fluid dynamics
Cristian C. Rendon, Jose L. Hernandez, Oscar Ruiz – Salguero, Carlos A. Alvarez, Mauricio Toro.  Vol. 19 , n. 2, pp. 139-146, 2019 Revista UIS Ingenierías, url:  revistas.uis.edu.co/index.php/revistauisingenierias , ISSN printed: 1657-4583, ISSN (online): 2145-8456 doi: 10.18273/revuin.v18n2-2019013, published online: 2019-02-14.

Document Info

A General Meta-graph Strategy for Shape Evolution under Mechanical Stress
Diego Montoya-Zapata, Diego A. Acosta, Oscar Ruiz-Salguero, Jorge Posada, David Sanchez-Londono.   Journal Cybernetics and Systems, ISSN: 0196-9722 (print), 1087-6553 (on line), Vol XX, Number XX, 2019, Taylor & Francis.
URL: https://www.tandfonline.com/doi/full/10.1080/01969722.2018.1558011, 
DOI: 10.1080/01969722.2018.1558011, published online 01-02-2019

Document Info

Fast Analytic Simulation for Multi-Laser Heating of Sheet Metal in GPU
Mejia-Parra, Daniel and Montoya-Zapata, Diego and Arbelaiz, Ander and Moreno, Aitor and Posada, Jorge and Ruiz-Salguero, Oscar.   Journal Materials, Vol  11, Number 11, 2018, article number 2078, url http://www.mdpi.com/1996-1944/11/11/2078, ISSN 1996-1944,  DOI 10.3390/ma11112078, published online 24-10-2018

Open Version

Hybrid geometry / topology based mesh segmentation for Reverse Engineering
Daniel Mejia, Oscar Ruiz-Salguero, Jairo R. Sánchez, Jorge Posada, Aitor Moreno, Carlos A. Cadavid.   Journal Computers & Graphics.  ISSN: 0097-8493. Received 10 July 2017, Revised 15 March 2018, Accepted 16 March 2018, Available online 28 March 2018.  https://doi.org/10.1016/j.cag.2018.03.004 .  https://www.sciencedirect.com/science/article/pii/S0097849318300372 . pp 1-13. Elsevier

Document Info

Geometry Simplification of Open-Cell Porous Materials for Elastic Deformation FEA
Camilo Cortes, Maria Osorno, David Uribe, Holger Steeb, Oscar Ruiz‑Salguero, Inigo Barandiaran, Julian Florez.   Journal Engineering with Computers. Print ISSN: 0177-0667 Online ISSN: 1435-5663. Received: 16 December 2016 / Accepted: 1 March 2018 / First Online: 07 March 2018. doi.org/10.1007/s00366-018-0597-3. http://link.springer.com/article/10.1007/s00366-018-0597-3 .  pp 1-20. Springer London.

Springer Nature SharedIt version.

Accelerated Thermal Simulation for 3D Interactive Optimization of CNC Sheet Metal Laser Cutting
Daniel Mejia, Aitor Moreno, Ander Arbelaiz, Jorge Posada, Oscar Ruiz-Salguero, Raul Chopitea.   Journal of Manufacturing Science and Engineering. Received May 12, 2017;. Accepted manuscript posted Online October 18, 2017. doi:10.1115/1.4038207. Copyright (c) 2017 by American Society of Mechanical Engineerins (ASME)

document info.

Weighted area / angle distortion minimization for Mesh Parameterization
Daniel Mejia, Diego A. Acosta, Oscar Ruiz-Salguero, Engineering Computations, web site: http://www.emeraldinsight.com/doi/full/10.1108/EC-02-2016-0072 , ISSN: 0264-4401, 2017, Vol. 34 Issue: 6, pp.1874-1895, doi:   10.1108/EC-02-2016-0072

document info.

Geometry and Topology-based Segmentation of 2-Manifold Triangular Meshes in R3
M. Stella Orozco, Arno Formella, Carlos A. Cadavid, Oscar Ruiz - Salguero, Maria Camila Osorno.   British Journal of Applied Science & Technology, web  site: http://www.sciencedomain.org/abstract/19175. ISSN: 2231-0843, 2017, Vol.: 21, Issue.: 1. pp 1-14, doi: 10.9734/BJAST/2017/32827. Open Access Journal.

open access version.

Optical Enhancement of Exoskeleton-Based Estimation of Glenohumeral Angles.
Camilo Cortes, Luis Unzueta, Ana de los Reyes-Guzman, Oscar E. Ruiz, Julian Florez.   Applied Bionics and Biomechanics. Volume 2016 (2016), Article ID 5058171, 20 pages. web site: https://www.hindawi.com/journals/abb/2016/5058171/ , doi:  10.1155/2016/5058171, pages 1–20,  published online 16-05-2016, Hindawi Publishing Corp. Open Access Journal.

open access version.

Inverse Kinematics for Upper Limb Compound Movement Estimation in Exoskeleton-Assisted Rehabilitation.
Camilo Cortes, Ana de los Reyes-Guzman, Davide Scorza, Alvaro Bertelsen, Eduardo Carrasco, Angel Gil-Agudo,Oscar Ruiz-Salguero, Julian Florez.   BioMed Research International. Volume 2016 (2016), Article ID 2581924, 14 pages. web site:  https://www.hindawi.com/journals/bmri/2016/2581924/ ,  doi:  10.1155/2016/2581924 , pages 1–14,  published online 16-05-2016, Hindawi Publishing Corp. Open Access Journal

open access version.

Appraisal of open software for finite element simulation of 2D metal sheet laser cut.
Daniel Mejia , Aitor Moreno, Oscar Ruiz-Salguero, Inigo Barandiaran   International Journal on Interactive Design and Manufacturing (IJIDeM), ISSN 1955-2505, doi: 10.1007/s12008-016-0308-5, web site:  http://link.springer.com/journal/12008,  http://link.springer.com/article/10.1007/s12008-016-0308-5, pages 1–12,  published online 21-03-2016, Springer Verlag France SAS. The final publication is available at Springer via http://dx.doi.org/10.1007/s12008-016-0308-5

incomplete version.

Graph-based structural analysis of planar mechanisms.
Sebastian Durango, Jorge Correa, Oscar E. Ruiz   Journal Meccanica. 2016, ISSN 1572-9648, doi: 10.1007/s11012-016-0403-5, web site: https://www.springer.com/physics/classical+continuum+physics/journal/11012 , pages 1–15,  published online 03-03-2016, Springer Netherlands. The final publication is available at Springer via http://dx.doi.org/10.1007/s11012-016-0403-5

incomplete version

Spectral - based mesh segmentation.
Daniel Mejia, Oscar Ruiz-Salguero,  Carlos A. Cadavid. International Journal on Interactive Design and Manufacturing (IJIDeM). 2016, ISSN 1955-2513, doi: 110.1007/s1200801603000, url: http://link.springer.com/article/10.1007/s1200801603000, pages 1–12,  published online 21-01-2016, Springer Paris. The final publication is available at Springer via  http://dx.doi.org/10.1007/s12008-016-0300-0

incomplete version

Finite difference calculations of permeability in large domains in a wide porosity range.
M. C. Osorno, D. Uribe, O. Ruiz,. and Steeb, Holger. Archive of Applied Mechanics. 2015. ISSN 0939-1533.  doi: 10.1007/s00419-015-1025-4, url: http://dx.doi.org/10.1007/s00419-015-1025-4, pages 1-12,  published online 04-07-2015     Springer Berlin Heidelberg.  The final publication is available at Springer via  http://dx.doi.org/10.1007/s00419-015-1025-4

incomplete version

Triangular mesh parameterization with trimmed surfaces.
Oscar E. Ruiz, Daniel Mejia, Carlos A. Cadavid. International Journal on Interactive Design and Manufacturing (IJIDeM). 2015, ISSN 1955-2513, doi: 10.1007/s12008-015-0276-1, url: http://dx.doi.org/10.1007/s12008-015-0276-1, pages 1–14,  published online 28-04-2015, Springer Paris. The final publication is available at Springer via  http://dx.doi.org/10.1007/s12008-015-0276-1

incomplete version

Sensitivity analysis in optimized parametric curve fitting.
Oscar E Ruiz , Camilo Cortes , Diego A Acosta , Mauricio Aristizabal. Editors Bart H.M. Gerritsen and Imre Horvath, Engineering Computations, ISSN: 0264-4401, 2015, volume 32, number 1, Issue Advancements in Modelling of Complex Product, pp. 37-61,  doi:  10.1108/EC-03-2013-0086,  Emerald Group Publishing. The final publication is available at Emerald via  http://dx.doi.org/10.1108/EC-03-2013-0086

incomplete version

Determining the limits of geometrical tortuosity from seepage flow calculations in porous media.
David Uribe, Maria Osorno, Rakulan Sivanesapillai, Holger Steeb, Oscar Ruiz. Proceedings in Applied Mathematics and Mechanics (PAMM). 2014, ISSN 1617-7061, doi: 10.1002/pamm.201410214, url: http://onlinelibrary.wiley.com/doi/10.1002/pamm.201410214/abstract, Volume 14, Issue 1, pages 453–454, December 2014, Wiley  Online Library.
publication info

Geodesic-based manifold learning for parameterization of triangular meshes.
Diego A. Acosta,  Oscar E. Ruiz,  Santiago Arroyave,  Roberto Ebratt,  Carlos Cadavid,  Juan J. Londono.  International Journal on Interactive Design and Manufacturing (IJIDeM). 2014, ISSN 1955-2513, doi: 10.1007/s12008-014-0249-9, url: http://dx.doi.org/10.1007/s12008-014-0249-9, pages 1-14, Springer Paris. The final publication is available at Springer via  http://dx.doi.org/10.1007/s12008-014-0249-9

incomplete version

Upper Limb Posture Estimation in Robotic and Virtual Reality-based Rehabilitation.
C. Cortes, A. Ardanza, F. Molina-Rueda, A. Cuesta - Gomez, L. Unzueta, G. Epelde, O. E. Ruiz, A. De Mauro, J. Florez.  Journal BioMed Research International. ISSN 2314-6141. Volume 2014, Hindawi Publishing Corporation. July 2014. 18 pages. Published  08-07-2014, Article ID 821908, doi: 10.1155/2014/821908. AcademicEditor: Andreas Duenser. The final publication is available at Hindawi via  http://dx.doi.org/10.1155/2014/821908

incomplete version.

Numerical analysis of wave propagation in fluid-filled deformable tubes.
Uribe, David and Steeb, Holger and Saenger, Erik H. and Kurzeja, Patrick and Ruiz, Oscar.  Journal Proceeding of Applied Mathematics and Mechanics (PAMM). ISSN 1617-7061. Volume 13, Number 1, WILEY-VCH Verlag. Sept 2013. pages 329-330. Pub. Date: Dec-2013, doi: 10.1002/pamm.201310160. Editors: L. Cvetkovic, T. Atanackovic and V. Kostic.
incomplete version.

Estimation of large domain Al foam permeability by Finite Difference methods.
Osorno, Maria and Steeb, Holger and Uribe, David and Ruiz, Oscar.  Journal Proceeding of Applied Mathematics and Mechanics (PAMM). ISSN 1617-7061. Volume 13, Number 1, WILEY-VCH Verlag. Sept 2013. pages 247-248. Pub. Date: Dec-2013, doi: 10.1002/pamm.201310119. Editors: L. Cvetkovic, T. Atanackovic and V. Kostic.
incomplete version.

Bifurcations and Sequences of Elements in Non-Smooth Systems Cycles.
I. Arango, F. Pineda, O. Ruiz.  American Journal of Computational Mathematics, ISSN Print: 2161-1203, ISSN Online: 2161-1211, Volume 3, Number 3 , Sept 2013. pages 222-230, Pub. Date: 21-08-2013, doi: 10.4236/ajcm.2013.33032. The final publication is available at SCIRP via  http://dx.doi.org/10.4236/ajcm.2013.33032

incomplete version.

Fitting of Analytic Surfaces to Noisy Point Clouds.
Oscar Ruiz, Santiago Arroyave, Diego Acosta.  American Journal of Computational Mathematics, ISSN Print: 2161-1203, ISSN Online: 2161-1211, Volume 3, Number 1A - Special issue on Computational Geometry. pages 18-26, Pub. Date: April 30, 2013, doi: 10.4236/ajcm.2013.31A004.  The final publication is available at SCIRP via  http://dx.doi.org/10.4236/ajcm.2013.31A004

incomplete version.

Microscale Investigations of High Frequency Wave Propagation Through Highly Porous Media.
Uribe, David and Saenger, Erik and Jaenicke, Ralf and Steeb, Holger and Ruiz, Oscar.,
Journal PAMM, v. 12, n. 1, WILEY-VCH Verlag, ISSN 1617-7061,  pages 555-556, Dec.
2012. doi: 10.1002/pamm.201210266.
incomplete version.

Volume Visual Attention Maps (VVAM) in ray-casting rendering.
Beristain, Andoni, John Congote, and Oscar Ruiz.  Journal  Studies in Health Technology and Informatics. Vol 173, pp 53-57, 2012. doi: 10.3233/978-1-61499-022-2-53 . PubMed ID: 22356956 [PubMed - indexed for MEDLINE]. Publisher IOS Press. ISSN: 09269630 ISBN: 978-161499021-5. Also published as Chapter-in-Book.
Scopus record:
Journal Colciencias Publindex B.
incomplete version.

Simulation of the Evolution of Floor Covering Ceramic Tiles During the Firing.
Guillermo Peris-Fajarnes, Beatriz Defez, Ricardo Serrano, Oscar E. Ruiz. Journal of Materials Engineering and Performance 2012, Springer New York, issn 1059-9495, pages 1-7, url= http://dx.doi.org/10.1007/s11665-012-0354-5.  The final publication is available at Springer via  http://dx.doi.org/10.1007/s11665-012-0354-5

incomplete version.

Visualization of Flow Fields in the Web Platform.
Mauricio Aristizabal and John Edgar Congote and Alvaro Segura and Aitor Moreno and Harbil Arriegui and Oscar E. Ruiz. Journal of WSCG. v.20,  n.3,  2012. ISSN 1213-6972. pages 189-196. WoS ISI and Tompson Reuters. url= http://wscg.zcu.cz/wscg2012/
incomplete version.

Realtime Volume Rendering and Tractography Visualization on the Web.
J. Congote and E. Novo and L. Kabongo and D. Ginsburg and S. Gerhard and R. Pienaar and O. Ruiz. Journal of WSCG. v.20,  n.2,  2012. ISSN 1213-6972. pages 81-88. WoS ISI and Tompson Reuters. url http://wscg.zcu.cz/wscg2012/
incomplete version.

An Extended G-Code Language with Flow Control, Functions and Mnemonic Variables.
Oscar E. Ruiz and S. Arroyave and J. F. Cardona.
Journal World Academy of Science, Engineering and Technology. v(67). 2012. pp. 455-462. ISSN 2010-376X. http://www.waset.org/journals/waset/v67/v67-84.pdf
incomplete version

Design of computer experiments applied to modeling of compliant mechanisms for real-time control.
Diego Acosta, David Restrepo, Sebastian Durango, Oscar Ruiz.
Journal Engineering with Computers. 2012 . Springer London (Online First TM). ISSN 0177-0667. doi: 10.1007/s00366-012-0268-8.
incomplete version

Tuning of Adaptive Weight Depth Map Generation Algorithms
Exploratory Data Analysis and Design of Computer Experiments (DOCE)
Diego Acosta, Iñigo Barandiaran, John Congote, Oscar Ruiz, Alejandro Hoyos and Manuel Graña.
Journal of Mathematical Imaging and Vision, Springer Verlag Netherlands.  Online First™, 6 July 2012. ISSN 0924-9907. doi: 10.1007/s10851-012-0366-7.
incomplete version

On The Critical Point Structure of Eigenfunctions Belonging to the First Nonzero Eigenvalue of a Genus Two Closed Hyperbolic Surface
Authors: Carlos A. Cadavid, Maria C. Osorno, Oscar E. Ruiz, 2012. Science Journal of Physics, Volume 2012 (2012), May 2012, ISSN:2276-6367.  doi: 10.7237/sjp/128.
incomplete version

Digital material laboratory: Wave propagation effects in open-cell aluminium foams
Authors: E.H. Saenger and D. Uribe and R. Jänicke and O. Ruiz and H. Steeb, 2012. Publisher: International Journal of Engineering Science. Vol 58, Sept 2012. Elsevier. pp 115-123. ISSN: 0020-7225.  Available from: http://www.sciencedirect.com/science/article/pii/S0020722512000730.
incomplete version

Relaxed loading conditions for higher order homogenisation approaches
Authors:  R. Jänicke and D. Uribe and O. Ruiz and H. Steeb, WILEY-VCH Verlag, PAMM. Proc. Appl. Math. Mech., v.1, n.11, pp 947-950, 2011, ISSN 1617-7061, doi:  10.1002/pamm.201110446.
incomplete version

Ellipse-based principal component analysis for self-intersecting curve reconstruction from noisy point sets.
Oscar Ruiz, Carlos Vanegas, Carlos Cadavid. In: Journal The Visual Computer, Collection: Computer Science. Publisher: Springer Berlin Heidelberg, September 2010. pp. 1-16. ISSN:0178-2789. doi: 10.1007/s00371-010-0527-x

Analytical Method for the Kinetostatic Analysis of the Second-Class RRR Assur Group Allowing for Friction in the Kinematic Pairs.
Sebastian Durango, Gabriel Calle, Oscar Ruiz. Journal Of The Brazilian Society Of Mechanical Sciences And Engineering. Vol. 32 (3), 2010. pp.200-207.  ISSN: 1678-5878. Index Cat. A Colciencias - Databases: Publindex, Latindex, Thomson Gale, EBSCO, DialNET, Redalyc, Inspec.

Finite Element Modeling of Composite Materials using Kinematic Constraints. 
Merlin Barschke, David Uribe, Oscar Ruiz, Jens Jensen, Carlos Lopez.  Journal Engineering and Science.  Revista Ingenieria y Ciencia. Vol 5, (10), 2009, pp 133–153. ISSN 1794-9165. Index Cat. B Colciencias - Databases: Publindex, Latindex, Thomson Gale, EBSCO, DialNET, Redalyc, Inspec.

Comments on “A novel technique for position analysis of planar compliant mechanisms, by Venanzi, P. Giesen and V. Parenti-Castelli”. 
Jorge Correa, Oscar Ruiz,  Sebastian Durango. In: Journal Mechanism and Machine Theory. Vol. 45 (5), 2010. page 811. ISSN: 0094-114X.

Bi-Curve And Multi-Patch Smoothing With Application To The Shipyard Industry. 
Xoan A Leiceaga,  Oscar Ruiz, Carlos Vanegas, Eva Soto, José Prieto, Manuel Rodriguez.  Journal Anales de Ingeniería Gráfica, Spain. Depósito legal: M-15031-1995. ISSN: 1137-7704. N. 19. Vol. 1, pp 25-32, 2007.

Principal component and Voronoi skeleton alternatives for curve
reconstruction from noisy point sets.
O. Ruiz;  C. Vanegas; C. Cadavid. Journal of Engineering Design, Volume 18, Issue 5,  ISSN: 1466-1837 (electronic) 0954-4828 (paper), October 2007, pp. 437 - 457.

On a minimal factorization conjecture. (En una conjetura minima de la factorizacion)
Cadavid M., Carlos A., Velez Caicedo, Juan Diego.
Topology and Its Applications, v.154, n.15, p.2786 - 2794, 2007.
ISSN 01668641.

Spring–Particle Model for Hyperelastic Cloth.
Manuel García, Mario Gómez, Oscar Ruiz, Pierre Boulanger, Journal Dyna, 74, No. 151, Medellín, March 2007. ISSN 0012-7353, pp. 137-145.

Geometric Constraint Subsets and Subgraphs in the Analysis of Assemblies and Mechanisms.
Oscar E. Ruiz, Ingenieria y Ciencia (Engineering and Science), ISSN 1794-9165, Volume 2, Number 3, March 2006, pp 103-137.

Fixed Grid Finite Element Analysis for 3D Structural Problems.
Manuel Garcia, Miguel Henao, Oscar Ruiz, International Journal of Computational Methods, Vol 2, Number 4, December 2005, World Scientific Publishing Co. Pages 569-585.

A first lesson of algebraic geometry. (Una primera lección de geometría algebraica)
Cadavid M., Carlos A.
Ingeniería y Ciencia. Universidad EAFIT, Medellin-Colombia, v.1, n.2, p.67 - 81, Septiembre de 2005.   ISSN 1794-9165

Edge and corner identification for tracking the line of sight.
Ursula Kretschmer, Maria S. Orozco , Osc
ar E. Ruiz, Uwe Jasnoch .Journal Ingeniería y Ciencia (Engineering and Science), ISSN 1794-9165. Volume 1, No 2, Sept 2005, pp 5-23.

2D shape similarity as a complement for Voronoi-Delone methods in shape reconstruction.
Oscar Ruiz, Carlos Cadavid, Student Assistants Miguel Granados, Eliana Vasquez, Sebastian Peña. Elsevier Computers & Graphics, ISSN. 0097-8493, Volume 29, Issue 1, February 2005, Pages 81-94.

Objects of Classic Algebraic Geometry and ringed spaces. (Objetos de la Geometría Algebraica Clásica y Espacios Anillados)
Cadavid M., Carlos A.
Revista Universidad EAFIT.. Octubre, Noviembre, Diciembre; n.128, p.43 - 52  2002.
ISSN: 0120-341X

Evaluation of 2D Shape Likeness for Surface Reconstruction
Ruiz, Oscar. Cadavid, Carlos, Granados Miguel. Journal Anales de Ingeniería Gráfica, ISSN: 1137-7704, No 15, 2002, pp.16-24, Valladolid, Spain

Boundary Representation of Anatomical Features.
Ruiz, O. Karangelis, G.
Computer Graphics Topics, No. 6 /2002. Bi-monthly publication. ISSN 0936-2770, pp 24-25.

Low Level Direct Interpolation for Parametric Curves
Oscar E. Ruiz, Adriana Martinez (Graduate Assistant), Elizabeth Rendon (Student Assistant). Magazine of EAFIT University ( Revista Universidad EAFIT ). ISSN: 0120-341X, No. 110, April, May, June, 1998, Editor: EAFIT Univ. Editorial Fund, Medellin, COLOMBIA, pp 75-84

Using Gröbner Bases in Kinematic Analysis of Mechanisms
Oscar E. Ruiz S., Placid M. Ferreira
MapleTech. Special Issue on Engineering Applications.Vol 3, No 1, 1996, pp 57-64, Editor: Birkhäuser, Boston, ISSN 1061-5733. USA, pp 57-64.

Algebraic Geometry and Group Theory in Geometric Constraint Satisfaction for Computer Aided Design and Assembly Planning
Oscar E. Ruiz S., Placid M. Ferreira, IIE Transactions. Focused Issue in Design and Manufacturing. Vol 28, Issue 4, Apr. 1996, pp 281-294, ISSN 0740-817X, Editor: Chapman & Hall, London, UK.

Specification for a Process Planning Enabling Platform
V. Hetem, K. Carr, M. Lucenti, O. Ruiz, X. Zhu, P. Ferreira, S. Lu.
Journal of Systems Engineering. v5, 1995, ISSN 1098-1241, Editor:J. Wiley & Sons, pp 48-59.
incomplete version