Add-on: The bounds for D_r given by the formula proposed in this paper, can be calculated for groups upto rank 3, and the cycle lengths having in all at most 3 prime factors, using this R program.
thesis submitted in partial fulfillment of the requirements for the Project of the Master degree work
Anamitro Biswas, The Davenport constant for groups of rank 3, exact values and narrower bounds (in preparation).
Anamitro Biswas and Eshita Mazumdar, Zero-sums of exponential length in k-restricted sequences over groups of higher rank (in preparation).
