7. P. Wiederhold and M. Villafuerte: Triangulation of cross-sectional digital straights segments and minimum length polygons for surface area estimation, in: P. Wiederhold and R.P. Barneva (Eds.): Progress in Combinatorial Image Analysis, Research Publishing Services (247 pages, ISBN-13: 978-981-08-3870-9, ISBN-10: 981-08-3870-6), Singapure, pp. 79-92, 2010 (pdf-File).

6. P. Wiederhold and S. Morales: Thinning on cell complexes from polygonal tilings, Discrete Applied Mathematics, Vol. 157 Iss. 16, pp. 3424-3434, 2009 (copy: please ask by e-mail to biene@ctrl.cinvestav.mx)

5. P. Wiederhold and S. Morales: Thinning on quadratic, triangular, and hexagonal cell complexes, in: V.E. Brimkov, R.P. Barneva, H.A. Hauptmann (Eds.), Proc. IWCIA'2008 (Intern. Workshop on Combinatorial Image Analysis, Buffalo, N.Y., U.S.A., April 2008), LNCS Vol. 4958, pp. 13-25, Springer Verlag Berlin Heidelberg, 2008 (pdf-File).

4. P. Wiederhold and R.G. Wilson: The Alexandroff dimension of quotients of R2, Discrete & Computational Geometry, Vol. 32, pp. 149-160, 2004 (pdf-File).

3. P. Wiederhold and R.G. Wilson: The Alexandroff dimension of digital quotients of Euclidean spaces, Discrete & Computational Geometry, Vol. 27, pp. 273-286, 2002 (pdf-File).

2. P. Wiederhold and R.G. Wilson: The Krull dimension of Alexandroff T_0 spaces, in: S. Andima et al (Eds.), Papers on General Topology and Applications, Annals of the New York Academy of Science, Vol. 806, pp. 444-453, 1996 (pdf-File).

1. P. Wiederhold and R.G. Wilson: Dimension for Alexandrov Spaces, in: R. Melter, A. Wu (Eds.), Vision Geometry, SPIE Proceedings Series, Vol. 1832, pp. 13-22, 1993 (pdf-File).

Edition of books:

2. P. Wiederhold and R.P. Barneva (Eds.): Progress in Combinatorial Image Analysis, Research Publishing Services (247 pages, ISBN-13: 978-981-08-3870-9, ISBN-10: 981-08-3870-6), Singapure, 2010.

1. P.Wiederhold and R.P.Barneva (Eds.): Combinatorial Image Analysis (Proc. 13th Intern. Workshop IWCIA 2009, Playa del Carmen, Mexico, Nov. 2009; contains 33 papers, 437 pages), LNCS Volume 5852, Springer Verlag, 2009, in press.

Papers in Proceedings of International Congresses:

1. J.M. Ibarra Zannatha, U. Zaldivar Colado, and P. Wiederhold: An approach to internet robotics: generation of interactive virtual worlds and internet teleoperation", in: U. Yildiran (Ed.), Proc. of the First Intern. Conf. on Information Technology in Mechatronics, (Istanbul, Turkey, 2001), IEEE Press, pp. 108-115, 2001.

Other publications in Mathematics and Image Processing:

9. P. Wiederhold: Rezension of the book "Geometry of Locally Finite Spaces", by Vladimir Kovalevsky, in: IAPR Newsletter08-04 (Oct. 2008), see http://www.iapr.org/members/newsletter/Newsletter08-04/ (direct link to the first page: http://www.iapr.org/members/newsletter/Newsletter08-04/index_files/Page387.htm ).

8. P. Wiederhold and R.G. Wilson: Dimension functions for T_0 digital spaces", Technical Report CS-TR-147 / CITR-TR-6, 10 pages, Computer Science Dept., University of Auckland, May 1997, see http://www.citr.auckland.ac.nz/techreports/show.php?id=6 .

7. P. Wiederhold: "Funciones de dimensión en espacios de Alexandroff", Ph.D. Thesis (in Spanish), Dept. of Mathematics, "Universidad Autónoma Metropolitana - Iztapalapa", D.F., México, 1998, supervisor: Richard G. Wilson.

6. "Análisis de Imágenes y Reconocimiento de Patrones", together with J.L. Gordillo y H. Sossa, Technical Report, Teaching Material, 80 pages, Dept. of Electrical Engineering, CINVESTAV-IPN, 1992.

5. "Theoretical approaches to image processing", together with K. Voss y A. Hübler, Forschungsergebnisse der FSU Jena, 1989.

4. Chapter "Graphentheorie" of the book "AUTBILD'88 - Mathematische Grundlagen der Digitalen Bildverarbeitung", edited by the University "Friedrich Schiller", Jena, Germany, pp. 26-38, 1989.

3. "Softwaresysteme AMBA/R und AMBA/72 zur Automatischen Bildverarbeitung für die BVS A6471, A6472", Software User Handbook, 73 pages, edited by the University "Friedrich Schiller", Jena, Germany, 1988.

2. "Bibliographie zur Digitalen Bildverarbeitung 1986/87 in der DDR", Bild und Ton, Vol. 41, No. 6, pp. 185-189, 1988.

1. "Bibliographie zur Automatischen Bildverarbeitung in der DDR 1985/86", Bild und Ton, Vol. 40, No. 6, pp. 181-182, 1987.

By means of calculus and programming work (visualization of physical properties of cosmological entities like galaxies, using series of digital images), I have contributed to some

International Publications in Physics (Journals and Proceedings):

5. T. Matos, G. Miranda, R. Sanchez-Sanchez, P. Wiederhold: Class of Einstein-Maxwell-Dilaton-Axion Space-Time, Physics Review D 79, 124016 [12 pages], 2009.

4. M. Alcubierre, F.S. Guzman, T. Matos, L. A. Ureña-Lopez y D. Núñez, P.Wiederhold: Scalar field dark matter and galaxy formation", in: H.V. Klapdor-Kleingrothuas y R.D. Viollier (Eds.), Proceedings of the Intern. Conf. "Dark Matter in Astro- and Particle Physics", (South Africa, 2002), Springer Verlag (ISBN 3-540-44257-X), pp. 356-364, (available on astro-ph/0204307), 2002.

3. M. Alcubierre, F. Siddharta G., T. Matos, D. Nuñez, L. A. Ureña-López, P. Wiederhold: Galactic collapse of scalar field matter, Classical and Quantum Gravity, Vol. 19, pp. 5017-5024, 2002.

2. T. Matos, U. Nucamendi G., P. Wiederhold: SU(N)- and SO(N)- invariant Chiral fields - One- and two-dimensional subspaces, Journal of Mathematical Physics, Vol. 40, pp. 2500-2513, 1999.

1. T. Matos, P. Wiederhold: SL(4,R) - Invariant Chiral Fields", Letters in Mathematical Physics, Vol. 27, pp. 265-272, 1993.

If you are interested in this material about physics, please see the WebSite of Tonatiuh Matos http://www.fis.cinvestav.mx/~tmatos .