RT Journal T1 STRONGLY IRREDUCIBLE SELF-AMALGAMATION OF A HANDLEBODY A1 Liyuan MA, Liang LIANG, Fengchun LEI PB Acta mathematica scientia,Series B FD 2022-12-25 YR 2022 JF Acta mathematica scientia, Series B JO Acta mathematica scientia,Series B VO 42 IS 6 SP 2336 DO 10.1007/s10473-022-0608-8 K1 Heegaard splitting;self-amalgamation;strongly irreducble LK {http://121.43.60.238/sxwlxbB/EN/article/article_16867.shtml}