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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.
Expander_code entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-30 and was most recently seen on 2026-04-30.
In coding theory, expander codes form a class of error-correcting codes that are constructed from bipartite expander graphs.
Along with Justesen codes, expander codes are of particular interest since they have a constant positive rate, a constant positive relative distance, and a constant alphabet size.
In fact, the alphabet contains only two elements, so expander codes belong to the class of binary codes.
Furthermore, expander codes can be both encoded and decoded in time proportional to the block length of the code.
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