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Ornamentation lattices and intreeval hypergraphic lattices
Antoine Abram, Jose Bastidas, F\'elix G\'elinas, Vincent Pilaud, Andrew Sack
https://arxiv.org/abs/2508.01606 …

Ornamentation lattices and intreeval hypergraphic lattices
Given a directed graph $D$ with transitive closure $\operatorname{tc}(D)$ and path hypergraph $\mathbb{P}(D)$, we study the connections between the (acyclic) reorientation poset of $\operatorname{tc}(D)$, the (acyclic) sourcing poset of $\mathbb{P}(D)$, and the (acyclic) ornamentation poset of $D$. Geometrically, the acyclic reorientation poset of $\operatorname{tc}(D)$ (resp. the acyclic sourcing poset of $\mathbb{P}(D)$) is the transitive closure of the skeleton of the graphical zonotope of $…

Photographic Conviviality: A Synchronic and Symbiotic Photographic Experience through a Body Paint Workshop
Chinatsu Ozawa, Tatsuya Minagawa, Yoichi Ochiai
https://arxiv.org/abs/2509.25968

Photographic Conviviality: A Synchronic and Symbiotic Photographic Experience through a Body Paint Workshop
This study explores "Photo Tattooing," merging photography and body ornamentation, and introduces the concept of "Photographic Conviviality." Using our instant camera that prints images onto mesh screens for immediate body art, we examine how this integration affects personal expression and challenges traditional photography. Workshops revealed that this fusion redefines photography's role, fostering intimacy and shared experiences, and opens new avenues for self-expression by transforming stat…