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For questions about mathematical tiling.
10
votes
Accepted
Space-tiling convex prisms
tiles ${\bf Z}^d$ for some $d$:
Vytautas Gruslys, Imre Leader, and Ta Sheng Tan: Tiling with arbitrary tiles.
Proc. London Math. Soc. (2016) 112 (6): 1019-1039. …
10
votes
Accepted
Is this an instance of any existing convex pentagonal tilings?
There are two questions here:
Q1) Which convex pentagons tile the plane?
Q2) What are all tilings of the plane by copies of a single convex pentagon?
The Wikipedia page you cite concerns Question 1 …
17
votes
Tiling the plane with incongruent isosceles triangles
Google soon finds that Q2 is problem C11 in
Unsolved Problems in Geometry by Croft, Falconer, and Guy.
But perhaps it's been solved during the intervening decades.
URL
37
votes
Accepted
Tiling the plane with incongruent isosceles triangles
T_1$ such that $T_1 - T_0$ is
the union of three acute, non-isosceles triangles with circumradii
distinct from each other and from $s$;
likewise inscribe $T_1$ into $T_2$, and $T_2$ into $T_3$, etc.,
tiling … Now connect each of these triangles' vertices to its circumcenter
to obtain a tiling of the plane by isosceles triangles any two of which
have distinct repeated sides, and thus a fortiori are not congruent …
17
votes
Tiling the plane with incongruent isosceles triangles
There are two choices
at each stage, most of which yield a tiling of the plane; alternatively,
choose the $T'_n$ and $T_n$ to all share a vertex with $T_0$, getting
a geometric progression [sic] of triangles …
14
votes
Accepted
Thinnest 2-fold coverings of the plane by congruent convex shapes
This picture shows how $R$ is also the hexagonal tiling by copies of $H$
with every third hexagon removed. Hence three parallel copies of $R$
constitute a perfect $2$-covering of the plane. … H}-H$ and $R$,
so we have our family of convex pentagons
with a minimal tiling thickness of $2$.
P.S. …
20
votes
Accepted
A claim on partitioning a convex planar region into congruent pieces
This picture looks like a counterexample with $N=2$ and $R$ a convex pentagon:
This should work more generally starting from an $n \times (n+1)$ rectangles
for any integer $n>1$, removing two congrue …