Akira Iino

collaborators

2 papers

math.CO2026

Planar lattices and equilateral odd-gons

Akira Iino, Masashi Sakiyama

For a planar integral lattice $L$ , let $I^½ (L)$ denote the square-free part of the integer $D (L)^{2}$ , where $D (L)$ stands for the area of a fundamental parallelogram of $L$ . For each…

cs.DS2026

Covering a Polyomino-Shaped Stain with Non-Overlapping Identical Stickers

Keigo Oka, Naoki Inaba, Akira Iino

You find a stain on the wall and decide to cover it with non-overlapping stickers of a single identical shape (rotation and reflection are allowed). Is it possible to find a sticke…