De Las Peñas, Ma. Louise Antonette N.

Status: 
Full Time
Administrative Position: 

Associate Dean for Research and Creative Work, Loyola Schools

Email: 
mdelaspenas@ateneo.edu
Contact No.: 
(+632) 426-6001 local 5681-83
 
Biography: 
Phd Mathematics, MS Mathematics, BS Mathematics
University of the Philippines, Diliman, Quezon City, Philippines
 
Post-Doctoral Studies, Sophia University, Tokyo, Japan

 

Research: 
Group Theory, Mathematical Crystallography, Discrete Geometry, Technology in
Mathematics Education
   
Selected Professional Associations, Awards and Recognition: 

Awards
  • 2018 Philippine National Academy of Science and Technology Award for Best
    Scientific Paper (Mathematical and Anthropological Analysis of Northern Luzon
    Funerary Textile)
  • 2014 Philippine Commission on Higher Education (CHED) Republica National
    Award for Outstanding Research (On Subgroups of Hyperbolic Coxeter Tetrahedral
    Groups)
  • 2014 Philippine National Academy of Science and Technology Award for Best
    Scientific Paper (On Bravais Colorings Associated with Periodic and Non-Periodic
    Crystals),
  • 2010 National Research Council of the Philippines (NRCP) Outstanding
    Achievement Award in Research in the Mathematical Sciences
  • 2009 National Research Council of the Philippines (NRCP) Award for Best Scientific
    Poster (On Bravais Colorings with Quasicrystallographic Symmetries)
  • 2007 Philippine National Academy of Science and Technology Award for Best
    Scientific Paper (On Vertex Colorings of Archimedean Tilings with Applications in
    Molecular Symmetry)

Editorship

Current Committees (not including those in Ateneo de Manila University)

Publications

Journal Articles in Mathematics

1. Primitive Substitution Tilings with Rotational Symmetries (with A.L.Say-awen and
    D.Frettlöh). Acta Cryst A 74 (2018), 388-398.
2. Hyperbolic Isocoronal Tilings (with E. Taganap). Journal of Mathematics and the Arts
    12:2-3 (2018), 96-110.
3. Crystallographic Patterns in Philippine Indigenous Textile (with A.Garciano,
     D.M.Verzosa and E.Taganap). Journal of Applied Crystallography 51 (2018), 456-469.
4. String C-Groups of Order 1024 (with Y.Gomi and M. Loyola). Contributions to Discrete
     Mathematics 13-1 (2018), 1-22.
5. Substitution Tilings with Dense Tile Orientations and n-fold Rotational Symmetry (with
    D. Frettlöh and A.L. Say-awen). Indagationes Mathematicae 28 (2017), 120-131.
6. Mathematical and Anthropological Analysis of Northern Luzon Funerary Textile (with
    A. Salvador-Amores). Philippine Journal of Science 45-1 (2016), 87-101.
7. The Lamplighter Group L n (h) (with M.C. Mamaril). AIP Conference Proceedings: 7 th
    SEAMS-UGM International Conference on Mathematics and its Applications 2015 1707,
    020011 (2016); doi: 10.1063/1.4940812
8. Color Symmetry Approach to the Construction of Crystallographic Flat Origami (with
    E.Taganap and T.Rapanut), Origami 6 (eds. P.Wang-Iverson, R.Lang, etal), American
    Mathematical Society (2015), 11-20.
9. Symmetry Groups Associated with Tilings on a Flat Torus (with M.Loyola, G.Estrada
    and E.B.Santoso). Acta Cryst A 71 (2015), 99-110.
10. On Color Fixing Groups Associated with Colored Symmetrical Tilings (with A.L.Say-
    awen and T.Rapanut). AIP Conference Proceedings: International Conference on
    Mathematics, Engineering and Industrial Applications 2014 1660, 050012 (2015); doi:
    10.1063/1.4915645
11. Weaving Mat(h)s (with A. Garciano and D.Verzosa). The Mathematical Intelligencer
    36(4) (2014), 36-46.
12. Color Symmetry in the Hand Woven Mats of the Jama Mapun (with A.Garciano and
    D.Verzosa). Bridges Seoul: Mathematics, Music, Art, Architecture, Culture (eds.
G.Greenfield, G.Hart, and R. Sarhangi), Tessellations Publishing, Arizona (2014), 357-
    360.
13. Crystallographic Flat Origami with Three Flat Foldability Types of the Generating Unit
    (with E.Taganap and T.Rapanut). AIP Conference Proceedings: International
    Conference for Mathematical Sciences 2014, 1602, 662 (2014); doi: 10.1063/1.4882556
14. A Quotient Space Approach to Model Nanotori and Determine their Symmetry Groups
    (with M. Loyola, E.B.Santoso and G.Estrada). AIP Conference Proceedings:
    International Conference for Mathematical Sciences 2014, 1602, 620 (2014); doi:
    10.1063/1.4882549
15. Symmetry Groups of Single Wall Nanotubes (with M. Loyola, A.Basilio and
     E.B.Santoso). Acta Cryst A 70 (2014), 12-23.
16. On Subgroups of Crystallographic Coxeter Groups (with E. Provido and R.Felix). Acta
     Cryst. A 69 (2013), 445-451.
17. Perfect Colourings of Cyclotomic Integers (with D. Frettlöh and E.Bugarin). Geometria
     Dedicata 162 (2013), 271-282.
18. Colorings of Single Wall Carbon Nanotubes (with M. Loyola and A. Basilio). Zeitschrift
     für Kristallographie 227 (2012), 672-680.
19. Weaving Symmetry of the Philippine Northern Kankana-ey (with N.Baylas IV and
     T.Rapanut). Bridges Towson: Mathematics, Music, Art, Architecture and Culture (eds. R.
     Bosch, D. Mckenna and R. Sarhangi), Tessellations Publishing, Arizona (2012), 267-274.
20. On the Subgroups of the Triangle Group (with E. Provido and M.Decena). Advances in
     Algebraic Structures (eds. W. Hemakul et al), World Scientific Co. Ltd (2012), 478-495.
21. On Bravais Colorings Associated with Periodic and Non-Periodic Crystals (with
     E.Bugarin). Phil. Journal of Science 140-1 (2011), 89-97.
22. Colourings of Cyclotomic Integers with Class Number One (with E. Bugarin and D.
     Frettlöh). Philosophical Magazine 91:19-21 (2011), 2690-2699.
23. Semi-Perfect Colourings of Hyperbolic Tilings (with B. Gozo, G. Laigo and R.Felix).
     Philosophical Magazine 91:19-21 (2011), 2700-2708.
24. On Subgroups of Hyperbolic Coxeter Tetrahedral Groups (with G. Laigo and R. Felix).
     Zeitschrift für Kristallographie 225 (2010), 313-338.
25. On Torsion Free Subgroups of p32 and Related Colored Tilings (with E. Provido and R.
     Felix). Bridges Pécs: Mathematics, Music, Art and Architecture (eds. G. Hart and R.
     Sarhangi), Tessellations Publishing, Arizona (2010), 410-419.
26. Constructing Colored Honeycombs (with G. Laigo and R. Felix). Bridges Banff:
     Mathematics, Music, Art and Culture (eds. C.Kaplan and R. Sarhangi), Tarquin Books,
     Hertfordshire (2009), 131-138.
27. On Orbifolds Associated with Subgroups of Triangle Groups of Index at most Four (with
     C. Decena). Loyola Schools Review: Science and Engineering 8 (2009), 63-84.
28. On Color Groups of Bravais Colorings of Planar Modules with Quasicrystallographic
     Symmetries (with E. Bugarin, I. Evidente, R. Felix and D. Frettlöh). Zeitschrift für
     Kristallographie 223: 11-12 (2008), 785-790.
29. Enumeration of Index 3 and 4 Subgroups of Hyperbolic Triangle Symmetry Groups (with
     C.Decena and R. Felix). Zeitschrift für Kristallographie 223 10 (2008), 543-551.
30. Coxeter Groups in Colored Tilings and Patterns (with G. Laigo and I. Puzon). Bridges
     Leeuwarden: Mathematical Connections in Art, Music and Science (eds. R. Sarhangi and
     C. Sèguin), Tarquin Publications, Hertfordshire (2008), 311-318.
31. Color Groups Associated with Square and Hexagonal Lattices (with R. Felix). Zeitschrift
     für Kristallographie 222 (2007), 505-512.
32. On Index 2 Subgroups of Hyperbolic Symmetry Groups (with E. Provido and R. Felix).
     Zeitschrift für Kristallographie 222 (2007), 443-448.
33. Hyperbolic Semi-regular Tilings and their Symmetry Properties (with G. Laigo and E.
     Provido). Bridges Donostia: Mathematical Connections in Art, Music and Science (eds.
     R. Sarhangi and J. Barallo), Tarquin Publications, Hertfordshire (2007), 361-368.
34. Determining Symmetry Groups of Semi-regular Tilings (with E. Provido). Loyola
     Schools Review: Science & Engineering 6 (2007), 1-19.
35. Colorings of Hyperbolic Plane Crystallographic Patterns (with G. Laigo and R. Felix).
     Zeitschrift für Kristallographie 221 (2006), 665-672.
36. An Approach in Coloring Semi-regular Tilings on the Hyperbolic Plane (with G. Laigo
     and R. Felix). Renaissance Banff: Mathematical Connections in Art, Music and Science
     (eds. R. Moody and R. Sarhangi), Central Plain Book Manufacturing Co, Winfield,
     Kansas (2005), 313-320.
37. On Vertex Colorings of Archimedean Tilings with Applications in Molecular Symmetry
     (with A. Basilio). Loyola Schools Review; Science and Engineering 3 (2004), 125-137.
38. Colored Patterns and the Subgroups of their Symmetries effecting Color Permutations
     (with A. Paras). Zeitschrift für Kristallographie 218 (2003), 720-724.
39. On Non-perfect Colorings Arising from Index 4 Subgroups (with R. Felix). Southeast
     Asian Bulletin of Mathematics 27 (2003), 603-613.
40. On the Construction of Plane Crystallographic Patterns. Bridges: Mathematical
     Connections in Art, Music and Science (eds. R Sarhangi and S. Jablan), Central Plain
     Book Manufacturing Co, Winfield, Kansas (2001), 181-191.
41. A Framework for Coloring Symmetrical Patterns (with R. Felix and V.Quilinguin).
     Algebras and Combinatorics: An International Congress ICAC ’97 Hongkong (eds. E.
     Taft and Z. Wan), Springer, Singapore (1999), 159-175.
42. Analysis of Colored Symmetrical Patterns (with R. Felix and V. Quilinguin). Algebraic
     Combinatorics: Kyoto University Research Institute for Mathematical Sciences (RIMS)
     Kokyuroku Series 1109 (1999),152-162.
43. Colorings of Patterns where the Isometries the Permuting the Colors form a Subgroup of
     index at most 3 in the Symmetry Group of the Patterns (with R. Felix). Matimyas
     Matematika 20-2 (1997), 1-4.
44. Non Perfect Colorings of Symmetrical Patterns with Hexagonal Symmetry Group.
     Doctoral Dissertation, University of the Philippines, Quezon City, Philippines, 1996.

Journal Articles in Mathematics Education and Technology
 
45. App-based Scaffolds for Writing Two Column Proofs (with D.Verzosa, A. Aberin and
     L.P.D.Garces). International Journal of Mathematical Education in Science and
     Technology (2018) DOI:10.1080/0020739X.2018.1500654
46. Discovering New Tessellations Using Dynamic Geometry Software (with E. Taganap).
     Proceedings of the 22nd Asian Technology Conference in Mathematics (eds. W.C. Yang,
D. Meade and Y. Yuan), Mathematics and Technology, LLC, Blacksburg VA, USA
     (2017), 153-162.
47. Using Dynamic Tools to Develop an Understanding of the Fundamental Ideas of
     Calculus (with D. Bautista and A. F. Guzon). International Journal of Mathematical
     Education in Science and Technology 45-2 (2014), 190-199.
48. Color Models as Tools in Teaching Mathematics. Proceedings. of the Seventeeth Asian
     Technology Conference in Mathematics (eds. W.C. Yang, M. Majewski, T. D. Alwis and
     K. Kairiree). Mathematics and Technology, LLC, Blacksburg VA, USA (2012), 74-83.
49. Tilings, Patterns and Technology (with A. Guzon). Proceedings of the 16th Asian
     Technology Conference in Mathematics (eds. W.C.Yang, M. Majewski, T. D. Alwis and
     E.Karakirk). Mathematics and Technology, LLC, Blacksburg VA, USA (2011), 23-36.
50. The Emerging Role of Geogebra in the Philippines (with D. Bautista). Model-centered
     Learning: Pathways to Mathematical Understanding using Geogebra (Modeling and
     Simulation for Learning and Instruction) (eds. L. Bu and R. Schoen). Sense Publishers,
     Boston, MA (2011), 217-230.
51. Understanding and Developing Proofs with the Aid of Technology (with D. Bautista).
     Electronic Journal of Mathematics and Technology 2-2 (2008).
     https://php.radford.edu/~ejmt/ContentIndex.php
52. On Maximizing Technology Resources and their Benefits in Teaching and Learning
     Mathematics (with D. Bautista). New Technologies in the Teaching and Learning of
     Mathematics TSG 22: Proceedings of the 11th International Congress in Mathematics
     Education, Monterrey, Mexico (2008).
53. On Proof Techniques and Technology (with D. Bautista). Proceedings of the Twelfth
     Asian Technology Conference in Mathematics (eds. W.C. Yang, T.D. Alwis and J.
     Chuan). Mathematics and Technology, LLC, Blacksburg VA, USA (2007), 40-49.
54. Technology-Based Manipulatives (with D. Bautista). Electronic Journal of Mathematics
     and Technology 2-2, (2007). https://php.radford.edu/~ejmt/ContentIndex.php
55. Studying Non-Euclidean Tilings and their Groups with the Aid of Technology (with G.
     Laigo and E. Provido). Proceedings of the Eleventh Asian Technology Conference in
     Mathematics (eds. S.C. Chu, S.H.Hou and W.C. Yang), Mathematics and Technology,
     LLC, Blacksburg VA, USA (2006), 317-326.
56. Strategies in Maximizing the Use of Existing Technology in Philippine Schools (with D.
     Bautista). Proceedings of the Eleventh Asian Technology Conference in Mathematics
     (eds. S.C. Chu, S.H.Hou and W.C. Yang), Mathematics and Technology, LLC,
     Blacksburg VA, USA (2006), 308-316.
57. The Use and Influence of Technology in Mathematics Education (with W. C. Yang).
     Proceedings. of the Tenth Asian Technology Conference in Mathematics (eds. S.C. Chu,
     W.C. Yang and H. Lew), Mathematics and Technology, LLC, Blacksburg VA, USA
    (2005), 297-306.
58. Inspiring Students to Study and Learn Mathematics with the aid of Technology (with W.
     C. Yang). Proceedings of the Ninth Asian Technology Conference in Mathematics (eds.
     S.C. Chu, W.C. Yang and T.D. Alwis), Mathematics and Technology, LLC, Blacksburg
     VA, USA (2004), 78-87.
59. Handheld Technology and Mathematics Education. Intersection: Official Journal of the
     Phil. Council of Mathematics Teachers Educators (Mathted) 1-5 (2002), 23-28.
60. Studying Group Theory with the Aid of Technology. Intersection, Official Journal of the
     Phil. Council of Mathematics Teachers Educators(Mathted) 1-3 (2001), 18-30.
61. Doing Group Theory using Color Models. Proceedings of Conference on Model 2001-
     Workshop and Conference on Modeling, Simulation and Scientific Computing,
     Philippines (2001).
62. An Algorithm to Determine Non-perfect Colorings that arise from Plane Crystallographic
     Groups. Proceedings of the Fourth Asian Technology Conference in Mathematics (eds.
     S.C. Chu, W.C.Yang. D. Wang and G. Fitz-gerald), Mathematics and Technology, LLC,
     Blacksburg VA, USA (1999), 219-230.
 
Video Presentation and Catalogue
 
Mathematical Symmetries in Philippine Indigenous Textile, Video and catalogue for museum
exhibit “Woven Universes: Math, Method, Meaning and Magic in Philippine Indigenous
Textiles”, Yuchengco Museum, December 2014- February 2015.

Research & Publications

Year Titlesort ascending
2014 Symmetry groups of single-wall nanotubes
2012 Colorings of single-wall carbon nanotubes