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3. Compare \mathrm{DR}_g^\mathrm{adm}(A) with \mathrm{DR}_g^\mathrm{rel}(A)

General Proposal : Compare \mathrm{DR}_g^{\mathrm{adm}}(A) with \mathrm{DR}_g^{\mathrm{rel}}(A). The latter object has been defined geometrically in different, mostly equivalent ways: Using the Abel-Jacobi map by Holmes, Kass - Pagani, Marcus - Wise, and using relative stable maps by Guéré, Marcus - Wise.

Sub-question: Is the degree 2d part of \mathrm{DR}_g^d(A) supported on some specific stable graphs (no loops?). -Answer: No, one get contributions from many different graphs

      Cite this as: AimPL: Double ramification cycles and integrable systems, available at http://aimpl.org/doubleramific.