Crystals ======== .. toctree:: :maxdepth: 2 ../sage/combinat/crystals/affine ../sage/combinat/crystals/crystals ../sage/combinat/crystals/direct_sum ../sage/combinat/crystals/letters ../sage/combinat/crystals/fast_crystals ../sage/combinat/crystals/highest_weight_crystals ../sage/combinat/crystals/kirillov_reshetikhin ../sage/combinat/crystals/spins ../sage/combinat/crystals/tensor_product