1. Abe, T.: Chambers of $$2$$ 2 -affine arrangements and freeness of $$3$$ 3 -arrangements. J. Alg. Combin. 38(1), 65–78 (2013)
2. Abe, T.: Roots of characteristic polynomials and and intersection points of line arrangements. J. Singul. 8, 100–117 (2014)
3. Abe, T., Barakat, M., Cuntz, M., Hoge, T., Terao, H.: The freeness of ideal subarrangements of Weyl arrangements. J. Eur. Math. Soc. (to appear). arXiv:1304.8033
4. Abe, T., Cuntz, M., Kawanoue, H., Nozawa, T.: Non-recursive freeness and non-rigidity of plane arrangements. arXiv:1411.3351
5. Abe, T., Terao, H.: Simple-root basis for Shi arrangements. J. Alegbra 422, 89–104 (2015)