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"Interweaving Rhythms2," by Irene Rousseau (Artist/Art Historian, Summit, NJ)Layered drawing: Ink drawings on mylar and paper,16" X 16", framed 20" x 20", 2009. My aim in this layered drawing is to explore geometric patterns and shapes with interweaving rhythms which change spatial locations as they weave in and out from concave to convex. "My sculptures, paintings and drawings are metaphors for the complexity and underlying order reflected in many patterns in nature and the mathematical coherence found in natural forms. They represent invisible forces made visible. My works are an interpretation of how we perceive through our senses, nature and the structure of our physical world. They are also references to the idea of space and the intellectual understanding of the unseen. Technique : My hyperbolic sculptures are composed of tessellated mosaic patterns referring to the concept of infinity. They are handmade glass and hand cut tesserae. My paintings are acrylic paint on canvas and explore spatial structures found on the microscopic and macroscopic level. They are my vehicle for expressing the rhythms and energies 'found in the universe'."  Irene Rousseau (Artist/Art Historian, Summit, NJ) irenerousseau.com
May 10, 2010


"Art of Fourier Space," by Ian Sammis (University of California, Davis)Print of digital art, 24â€ťx20â€ť (framed), 2008. This is the computed Fourier transform of a constant linear measure placed on a piecewiselinear approximation to the spacefilling Sierpinski Curve. The curve itself is shown in the lowerleft corner. The reduced art appears gray, but in the original each pixel has a hue determined by its complex phase. The transformation was computed by the Geometric Nonuniform Fast Fourier Transform. "Over the course of earning my Ph.D., I've become fascinated by the fact that in generating images for the most utilitarian of purposes (debugging, testing hypotheses, and the like) the most useful images are usually also the most aesthetically pleasing."  Ian Sammis (University of California, Davis) http://math.ucdavis.edu/~isammis
May 10, 2010


"Hope," by Reza Sarhangi (Towson University, Towson, MD)Digital print, 16" X 20", 2008. "Hope" is an artwork based on the "Modularity" concept using triangles and rhombuses as its motifs in three colors. The "Modularity" concept has been presented in an article by Reza Sarhangi, Modules and Modularity in Mosaic Patterns, the Journal of the Symmetrion (Symmetry: Culture and Science), Volume 19, Numbers 23, 2008. Another article in this regard would be Sarhangi, R., S. Jablan, and R. Sazdanovic, Modularity in Medieval Persian Mosaics: Textual, Empirical, Analytical, and Theoretical Considerations, 2004 Bridges Proceedings. In the following figure, except for the corners with constant color, the two compound triangles (modules) are in a positivenegative color relationship with respect to each other. Using these two modules in a rotational fashion, results in the pattern in the artwork. "I am interested in Persian geometric art and its historical methods of construction, which I explore using the computer software Geometer's Sketchpad. I then create digital artworks from these geometric constructions primarily using the computer software PaintShopPro."  Reza Sarhangi (Towson University, Towson, MD) http://geometricarts.googlepages.com/home
May 10, 2010


"Poincare berries," by Radmila Sazdanovic (Mathematical Sciences Research Institute, Berkeley, CA) Digital print, 20â€ťx20â€ť, 2009. The pattern consisting of triangles and circles introduced into the fundamental domain emphasizes four and six fold rotational symmetry of the (4,4,4,6) tessellation. The interplay of the white weave and the pattern reinforces the underlying structure. "My inspiration stems from the rich geometric structures found in tessellations of the hyperbolic plane and my area of research knot theory. Mathematical objects can be manipulated in many ways (superimposing, dualizing, breaking symmetry) to create aesthetically pleasing computer graphics brought to life by the unusual combination of colors."  Radmila Sazdanovic (Mathematical Sciences Research Institute, Berkeley, CA) http://home.gwu.edu/~radmila/
May 10, 2010


"Rational Circles," by Stephen Schiller (Adobe Systems Inc., Oakland, CA)Digital Print, 24â€ť by 15.6â€ť, 2009. This image consists of a large number of circles. To describe the set of circles let [a,b,c,d] represent the circle whose points are the zeros of the bivariate polynomial p(x,y)=a(x^2+y^2)+bx+cy+d. If a, b, and c are relatively prime integers then I call the circle a "reduced rational" circle. The drawing then consists of reduced rational circles such that a^2+b^2+c^2 <= 9^2, as viewed through a rectangle whose lower left is (0.01,0.21667) and whose upper right is (0.395,0.46667). (The view box was mostly chosen for aesthetic reasons.) The darkness of each circle depends inversely on its radius and on the term a^2+b^2+c^2. Most of my mathematical art has its origins in images I make to help me understand the solution to some problem I am facing in my work as a computer scientist. There is great power in mathematical theorems that help us understand a complex set of objects. But sometimes such theorems hide, or at least allow us to temporarily ignore, the true complexity of a subject. This duality often comes up when one tries to actually implement a mathematical idea. Thus, I find myself interested in images that are a manifestation or rediscovery of the complexity that is inherent in even simple mathematical areas."  Stephen Schiller (Adobe Systems Inc., Oakland, CA) http://stephenschiller.imagekind.com/
May 10, 2010


"Cubic Iteration," by Bradford HansenSmith (Geometer, artist, author, Chicago, IL) Eight 9" folded paper plates, 6"x6"x6", 2009. Eight 9" circles are folded to a 32frequency diameter grid (102 creases in an equilateral triangular grid matrix.) Each circle is reconfigured to a bitetrahedron pattern with some variations in iterations to the folding algorithm, and joined in multiples forming eight corners of the cube. "For the last twenty years I have been exploring folding the circle for information to understand what is revealed through a simple and principled process of systematic folding, reconfiguring and multiple joining circles. The technique is simply touching points and creasing; to attach using tape, glue, and bobby pins. There is no cutting or measuring. Knowing math is not necessary to fold circles; math functions are just some of the information generated in the process. The circle functions simultaneously as both Whole and part, which is not discernable by looking at the image of a circle. My work is not about what I can do with the circle as much as to play with and discover the nature of what it is and what it will generate. Art and math are only two areas of demonstration about the implicate order inherent in the circle."  Bradford HansenSmith (Geometer, artist, author, Chicago, IL) www.wholemovement.com
May 10, 2010


"Dragonflies," by George W. Hart (Stony Brook University, Stony Brook, NY)Wood, 8â€ťx8â€ťx8â€ť, 2008. The form of Dragonflies consists of twelve congruent parts arranged with octahedral symmetry in a form based on the third stellation of the rhombic dodecahedron. The lasercut wood components are each a subset of the complete face of the stellation, designed so that it does not intersect with the other eleven identical copies of itself. Interweaving and assembling the rigid physical parts was an interesting challenge. "As a sculptor of constructive geometric forms, my work deals with patterns and relationships derived from classical ideals of balance and symmetry. Mathematical yet organic, these abstract forms invite the viewer to partake of the geometric aesthetic."  George W. Hart (Stony Brook University, Stony Brook, NY) http://www.georgehart.com
May 10, 2010


"Hyperbolic Cube," by Thomas C. Hull (Western New England College, Springfield, MA)Single sheet of Canford paper, wetfolded, 9" x 9" x 9", 2006. A Hamilton cycle on the cube has eight edges. Therefore, a regular octagon could be folded to mimic the path such a cycle traces on the cube. This piece represents a solution using folded concentric octagons, producing the illusion (?) of negative curvature. The piece was folded from a large regular octagon, approximately two feet in diameter. Concentric octagons were precreased, alternating mountain and valley folds. Then the model was collapsed and wetfolded to hold the cube Hamilton cycle shape. "I've been practicing origami almost as long as I've been doing math. Part of the charm of paper folding is its capacity for simple, elegant beauty as well as stunning complexity, all within the same set of constraints. This mirrors the appeal of mathematics quite well. Geometric origami, which is where most of my artwork lives, strives to express in physical form the inherent beauty of mathematical concepts in geometry, algebra, and combinatorics. The constraints that origami provides (only folding, no cutting, and either one sheet of paper or further constraints if more than one sheet is allowed) challenges the artist in a way similar to being challenged by a mathematical problem."  Thomas C. Hull (Western New England College, Springfield, MA) http://mars.wnec.edu/~thull
May 10, 2010


"Composition No 7," by Nuria Juncosa (Artist, Amsterdam, The Netherlands)Oil on linen, 23.6 x 23.6 inches, 2009. This painting is a partial projection of a wireframe deltoidal icositetrahedron. A deltoidal icositetrahedron dual polyhedron which looks a bit like an overinflated cube which has all of its edges bisected. The 24 faces are deltoids. The short and long edges of each kite are in the ratio 1.00:1.29. The deltoidal icositetrahedron is a crystal structure formed by the minerals analcime and garnet. After painting the projection of the Deltoidal Icositetrahedron wireframe on the canvas, I took the artistic freedom of creating new subfaces, occupying complementary locations by colouring up the spaces obtained by the intersections of the wireframe. I like to say that as an artist, I discover mathematics through art.  Nuria Juncosa (Artist, Amsterdam, The Netherlands) www.lanuria.com
May 10, 2010


"El Nido Fractal," by Karl Kattchee (University of WisconsinLa Crosse)Digital Print, 10" x 16", 2009. The boundary between land and sea is complex, like a fractal. At the bottom of this drawing we have land, represented by rigid lines and shapes. At the top, there is the sea, swirling around. In between is the boundary, where the right angles gradually give way to curves. There is selfsimilarity, as one would expect in a fractal. "What is mathematical art? This question not only begs for criteria to make the judgment, but it also asks how math and art interact. That strange interaction is what makes math art fun for me. I almost always start with sketches on paper, but I recently began transferring them to the computer and carrying on the work electronically. As such, I can spend time experimenting with different ideas and change my mind often about what I'm doing. While I try to render mathematical ideas in my art, I also realize that the artistic process is itself a lot like the mathematical process. Sometimes the original 'problem' needs to be modified after careful 'research'. To me, the final product is a lot like a theorem."  Karl Kattchee (University of WisconsinLa Crosse) http://www.uwlax.edu/faculty/kattchee/
May 10, 2010


"Gong Gan," by Ghee Beom Kim (Artist, Sydney, Australia)Digital Print, 12 x12 inches, 2009. â€śGong Ganâ€ť employs a dodecahedron as its base form. I saw polyhedra as a form of tessellation on a sphere (spherical tessellation) and just by replacing each pentagon face on the dodecahedron with a module that tessellates within the pentagon and with the adjacent ones as well I was able to create this pleasant looking sculpture. "As for me my art is a channel through which I communicate with the higher entity. Itâ€™s a form of profound prayer on my part. Geometry has, so far, given me the best means to explore universe and reveal His secrets. By exploring into geometry from purely aesthetic perspective I can see clear relationship between the pure beauty of mathematics and God. My art is devoid of any human feelings and the focus is solely upon revealing unknown mathematical and geometrical order leading to visual essence. I create most of my artwork using Autocad and touch up in Photoshop afterward."  Ghee Beom Kim (Artist, Sydney, Australia) http://geometricarts.googlepages.com/home
May 10, 2010


"Nonsimple," by Goran Konjevod (Arizona State University, Tempe, and Livermore, CA)One uncut square of paper, 8" by 8" by 8", 2009. This piece uses intersecting pleats to create tension within the folded sheet and encourage threedimensionality. In addition to sharp points created by stretching pleats close to the four corners of the original sheet, it also features a joint where the centers of two opposite sides of the square are held together by a folded lock mechanism, creating the appearance of a nonsimply connected surface. "I fold (mostly flat and mostly paper) surfaces into interesting shapes. To do this, I use sequences of pleats to arrange layers so that they create tension that forces the material towards a curved surface. The simplest of these pieces are more appropriately described as discovered than created, but in others I build on the basic equilibrium shape to bend and curve the pleated surface further. The mathematics show up in many ways, but the two of my favorite are the combinatorics in the arrangement of pleats and the mathematical physics in understanding the forms preferred by the paper when folded."  Goran Konjevod (Arizona State University, Tempe, and Livermore, CA) http://organicorigami.com
May 10, 2010


"Perspicuous," by Matjuska Teja Krasek (Artist, Ljubljana, Slovenia)Digital print, 1995/2008. "Perspicuous" is a geometrical composition where a basic decagonal shape exhibits fivefold symmetry. The straight lines inside reveal the richness and interconnectedness of the geometrical shapes (pentagons, triangles, Penrose rhombs and kites), we can observe golden mean relations. Krasekâ€™s theoretical, as well as practical, work is especially focused on symmetry as a linking concept between art and science, on filling a plane with geometrical shapes, especially those constituting Penrose tilings (rhombs, kites, and darts). The author's interest is focused on the shapes' inner relations, on the relations between the shapes and between them and a regular pentagon. The artworks among others illustrate certain properties, such as golden mean relations, selfsimilarity, fivefold symmetry, Fibonacci sequence, inward infinity, and perceptual ambiguityâ€¦ Krasekâ€™s work concentrates on melding art, science, mathematics and technology. She employs contemporary computer technology as well as classical painting techniques. Her artworks and articles are exhibited and published internationally. Krasekâ€™s artworks are among the winners of the 2nd and the 3rd International NanoArt competition.  Matjuska Teja Krasek (Artist, Ljubljana, Slovenia) http://www.tejakrasek.com
May 10, 2010


"Ribbon weaving no. 1," by Christine Liu, Ergun Akleman, Qing Xing (Texas A&M University, College Station, TX)Digital print, 13â€ť x 9â€ť, 2009. This plainweaving model is automatically generated from the algorithm in the paper Cyclic plainweaving on polygonal mesh surfaces with graph rotation systems. Cycles of the plainwoven object are created from any manifoldmesh surface by twisting every edge of the manifold mesh and convert the plainweaving cycles to 3D thread structures. Users interactively control the shape of the threads and the size of gaps with a set of parameters creating a wide variety of unique plain weaving patterns. This generated weaving model has 16 identical closed cycles with user control over the width, displacement, and curvature of the weaving yarns. "Inspired by the detail of that which is supple, Christine Liu continually updates her mathematical techniques with a selfdriven craft refinement in classical training. Paint, sculpture and architectural drafting have all formulated a longstanding basis for an appropriate representation in her personal form of rational digital expression. Here, a timeless balance of scale, form and simulated vernacular methods are evident in the otherwise conventional mathematical art expression. Inspiration for the selected style and palette come from classic vibrant colored ribbon fabric and various types of ribbon weaving crafts. This piece is rendered and produced through Maya and Photoshop."  Christine Liu, Ergun Akleman, Qing Xing (Texas A&M University, College Station, TX)
May 10, 2010


"Jellyfish," by Kendra Lockman (Photographer, artist, and teacher, Oakland, CA)Digital print, 20" x 24" , 2009. Two fractals are combined to mimic the shape of the jellyfish used to create this image. The "head" fractal uses the famous dragon curve iteration. Here, the first iteration maps the negativesloped diagonal of the starting photograph to the lower edge, and also maps the same diagonal to the left edge. The "tail" fractal uses a double spiral iteration. The original photograph was taken at Monterey Bay Aquarium by the artist. "I began iterating photographs into fractals after watching a video on fractals, in which the point was made that whether you started with a single segment or a 2dimensional photograph, the resulting fractal was the same. I explored this on my own and learned that it can be more visually interesting to expose each step of the iteration. Photographs interact with themselves at each iteration level to reveal new shape and structure. Fractals are appealing for their seemingly complex structures which bloom from often simple iteration rules. I find that using photographs in the iterations can make the fractals much more captivating than if they were created with abstract geometry. I work intensely between Photoshop and The Geometer's Sketchpad to create these images."  Kendra Lockman (Photographer, artist, and teacher, Oakland, CA) kendralockmanphoto.com
May 10, 2010


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