The math concept hidden in this tree art — geometric shapes known as fractals — is apparent in branching patterns in nature and may be key to humans’ ability to recognize such artwork as ...

She eventually became one of the world’s foremost experts in the fields of abstract algebra, algebraic topology and the mathematics of symmetry, working at the University of Erlangen and ...

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Choose from Christmas Hat Vector stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...