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Answer by jbapple for Simple and cache-oblivious tries on fixed-length strings

Update: An idea very similar to this one is described in "Digital Access to Comparison-Based Tree Data Structures and Algorithms".Here's an idea for a structure that might meet these bounds.It uses an...

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Simple and cache-oblivious tries on fixed-length strings

Is there a simple and cache-oblivious data structure that solves the dynamic predecessor problem for strings of length exactly $k$ over an alphabet $A$ in worst-case $O((k\log A)/B + \log n)$ memory...

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