New blog post: Snowflake spanners, https://11011110.github.io/blog/2020/02/19/snowflake-spanners.html
It's a followup to my post of a couple of days ago on crossings in greedy spanners. Using vertices from a flattened Koch snowflake fractal and a carefully chosen distance ratio shows that the greedy method can produce crossings for arbitrarily large distance ratios.
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