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DESCRIPTION=This sites features mathematical images and animations made by Jos Leys.;
KEYWORDS=math, mathematical, fractal, fractals, Jos Leys, drosthe, math iamges, mathematical images;

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mathematical imagery by jos leys home galleries articles references forum links about latest galleries flat earth nonsense the so called flat earth doctrine debunked in a couple of easy verifiable steps 3d kleinian escape time images made with an escape time algorithm all images were created in ultrafractal moebius strip and cross cap visual proof that a moebius strip is homeomorphic to a cross cap with a disc removed dodecahedral tesselation of the hypersphere a dissection of the 120 cell in twelve rings of 10 dodecahedra two sets of six rings form 2 solid interlocked tori the film starts by showing the 600 cell the dual of the 120 cell connected sums of real projective plane and torus or klein bottle visual proof that the connected sum of a real projective plane and a torus and the connected sum of a real projective plane and a klein bottle are homeomorphic view all galleries stay informed on updates to this site using rss this is a non profit site donations go toward large size prints of my work to help me set up an exhibition flat earth nonsense posted on 2018 03 28 23 09 did you know that the search term flat earth in youtube delivers about 5 million hits there are a lot of gullible people i had some fun making a couple of films to prove that a flat earth is utterly impossible take a look at this page animated gifs posted on 2017 11 27 20 12 uploaded an animated gif click here for a larger version click here for another one a 3d escape time algorithm for the limit sets of kleinian groups posted on 2017 09 20 13 43 an extension into 3d of the method described in the article of the previous post produces images such as the ones in this new gallery an escape time algorithm for kleinian group limit sets posted on 2017 02 20 18 33 here is a new article on a fast algorithm for drawing certain kleinian group limit sets here is an example made in shadertoy topology movies posted on 2016 02 19 18 49 here is a new page with a number of video s on the topic of topology vases posted on 2013 12 05 13 27 a collection of virtual vases created by inverse stereographic projection of different patterns on the spherical surface of the vase all the patterns where done in ultrafractal whereas the vases were created in povray movies posted on 2013 06 18 14 28 i have recently been making some short movies with sound and have collected them on this page hybrid 3d fractals posted on 2013 03 14 23 22 the 3d fractals in this gallery were produced as hybrids between the mandelbox and mandelbulb formulas the method is to alternate n mandelbox iterations with m cube folding mandelbulb iterations next page copyright 2026 jos leys