Screenshots and sample files
ULP Trees
Simultaneous Embedding of paths with: a) A caterpillar, b) A radius-2-star, and c) A degree 3 spider.

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Simultaneous Embedding with Fixed Edges
Gadget used in Gassner et. al. to show that Simultaneous Embedding with Fixed Edges is NP-complete for 3 graphs.

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Simultaneous Geometric Embedding
Two trees which union contains a subdivision of K_5

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Colored Simultaneous Geometric Embedding
An example using 5 paths with 5 colors.

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