Henrik Bachmann
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Quasi-shuffle products playground

The following is a simple implementation of some quasi-shuffle products introduced in the course "Multiple zeta values and modular forms". This tool evaluates algebraic expressions of indices with certain quasi-shuffle products. 
  • Input: Index $(k_1,\dots,k_r)$ = [$k_1,\dots,k_r$], Stuffle product = st, Shuffle product = sh,  double shuffle (sh - st) = ds, Stuffle product for $g(k_1,\dots,k_r)$ = gst
  • Output: Linear combination of indices written as $(k_1,\dots,k_r)$.
Example:  [2] st [3] gives the output (2,3) + (3,2) + (5)
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Graduate School of Mathematics, Nagoya University
Chikusa-ku, Nagoya, 464-8602
Japan

Email: henrik.bachmann (at) math.nagoya-u.ac.jp
​Tel :  +81-52-789-2428 ​
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