Positive factorizations of symmetric mapping classes
2019 年 71 巻 1 号 p. 309-327
詳細
2019 年 71 巻 1 号 p. 309-327
We study a question of Etnyre and Van Horn-Morris whether a symmetric mapping class admitting a positive factorization is a lift of a quasipositive braid. We answer the question affirmatively for mapping classes satisfying certain cyclic conditions.
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Nippon Sugaku-Buturigakkwai Kizi Dai 3 Ki
Tokyo Sugaku-Buturigakkwai Kizi Dai 2 Ki
Tokyo Sugaku-Butsurigakukwai Kiji-Gaiyo
Tokyo Sugaku-Butsurigakkwai Hokoku
