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dc.contributor.authorDe Las Penas, Ma. Louise Antonette N.-
dc.contributor.authorSalvador-Amores, Analyn V.-
dc.identifier.citation145 (1): 89-103, March 2016en_US
dc.identifier.issn0031 - 7683-
dc.description.abstractThe study presents a mathematical analysis and provides an anthropological perspective of the funeral textile of the indigenous communities in northern Luzon, Philippines. In particular, a symmetry analysis is performed, based on principles of group theory and transformation geometry, on the various repeating patterns found in funeral garments and blankets. Results show that particular frieze groups and plane crystallographic groups are favored due to choice of motifs which are reflective of cultural beliefs and funeral traditions, as well as weaving style and methodology. The results of the analysis point to the depth of mathematics present in the work of the weaver, who is able to arrive at meaningful geometric designs without formal training in mathematics. This study contributes directly to the branch of mathematics pertaining to mathematical crystallography in art and cultural heritage which deals, among others, with the use of group theoretic methods and tools in mathematical crystallography to understand the mathematics in artworks arising from various cultures all over the world. It provides further data and analysis to the growing body of literature that uses symmetry to enhance interpretation of culture from the artistic style of its artifacts.en_US
dc.description.sponsorshipAV Salvador Amores would like to thank the Program for Material Culture under the Cordillera Studies Center of the University of the Philippines Baguio for the Interdisciplinary Research Grant (ITRG) 2012-2013. All textiles and photographs are courtesy of AV Salvador-Amores, unless otherwise specified. Our gratitude to the local weavers and their communities for their warmth and hospitality while conducting the anthropological fieldwork in Bontoc, Mt. Province, Kalinga, and Benguet. Our thanks to Floy Quintos for sharing his collection on the Itneg (Abra) blankets and to Donald Rubenstein for giving permission to use images of the Itneg’s dinapat and pinilian from Rubinstein (1989). MLAN De Las Peñas is grateful to the National Commission for Culture and the Arts (NCCA) for a research grant.en_US
dc.publisherPhilippine Journal of Scienceen_US
dc.subjectfrieze groupen_US
dc.subjectfuneral textileen_US
dc.subjectmathematical symmetryen_US
dc.subjectnorthern Luzon indigenous communitiesen_US
dc.subjectplane crystallographic groupen_US
dc.subjectsymmetry groupen_US
dc.titleMathematical and Anthropological Analysis of Northern Luzon Funeral Textileen_US
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