TY - JOUR ID - 1044 TI - On derivations and biderivations of trivial extensions and triangular matrix rings JO - Bulletin of the Iranian Mathematical Society JA - BIMS LA - en SN - 1017-060X AU - Ghosseiri, N.M. AD - Department of Mathematics‎, ‎University of Kurdistan‎, ‎P.O‎. ‎Box 416‎, ‎Sanandaj‎, ‎Iran. Y1 - 2017 PY - 2017 VL - 43 IS - 6 SP - 1629 EP - 1644 KW - Trivial extension‎ KW - ‎triangular matrix ring‎ KW - ‎derivation‎ KW - ‎biderivation‎ DO - N2 - ‎Triangular matrix rings are examples of trivial extensions‎. ‎In this article we determine the structure of derivations and biderivations of the trivial extensions‎, ‎and thereby we describe the derivations and biderivations of the upper triangular matrix rings‎. ‎Some related results are also obtained‎. UR - http://bims.iranjournals.ir/article_1044.html L1 - http://bims.iranjournals.ir/article_1044_21e6b15378858865b24096a56c02831e.pdf ER -