**Reference**:- Erik D. Demaine, Martin L. Demaine, Perouz Taslakian, and Godfried T. Toussaint, “Sand Drawings and Gaussian Graphs”, in
*Proceedings of the 9th Annual Conference of BRIDGES: Mathematical Connections in Art, Music, and Science (BRIDGES 2006)*, London, England, August 4–8, 2006, pages 79–88. **Abstract**:-
Sand drawings form a part of many cultural artistic traditions.
Depending on the part of the world in which they occur,
such drawings have different names such as
*sona*,*kolam*, and*Malekula*drawings.*Gaussian graphs*are mathematical objects studied in the disciplines of graph theory and topology. We uncover a bridge between sand drawings and Gaussian graphs, leading to a variety of new mathematical problems related to sand drawings. In particular, we analyze sand drawings from combinatorial, graph-theoretical, and geometric points of view. Many new mathematical open problems are illuminated and listed. **Length**:- The paper is 10 pages.
**Availability**:- The paper is available in PostScript (1609k), gzipped PostScript (927k), and PDF (186k).
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**Related papers**:- Sona_JMA (Sand Drawings and Gaussian Graphs)

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Last updated July 7, 2020 by Erik Demaine.