Vectors and Functions of Several Variables
暫譯: 多變數向量與函數

Bijan Davvaz is Professor at the Department of Mathematical Sciences, Yazd University, Iran. He also has served as the Head of the Department of Mathematics (1998-2002), Chairman of the Faculty of Science (2004-2006) and Vice-President for Research (2006-2008) at Yazd University, Iran. He earned his PhD in Mathematics with a thesis on "Topics in Algebraic Hyperstructures" from Tarbiat Modarres University, Iran, and completed his M.Sc. in Mathematics from the University of Tehran, Iran. His areas of interest include algebra, algebraic hyperstructures, rough sets and fuzzy logic. On the editorial boards of 25 mathematical journals, Prof. Davvaz has contributed more than 700 research papers on algebra, fuzzy logic and algebraic hyperstructures. He also has authored eight books including three with Springer: Examples and Problems in Advanced Calculus: Real-Valued Functions, Groups and Symmetry: Theory and Applications and A First Course in Group Theory.

比詹·達瓦茲是伊朗雅茲大學數學科學系的教授。他曾擔任數學系主任（1998-2002）、科學院院長（2004-2006）及研究副校長（2006-2008）。他在伊朗塔爾比亞特·莫達雷斯大學獲得數學博士學位，論文主題為「代數超結構的主題」，並在伊朗德黑蘭大學完成數學碩士學位。他的研究興趣包括代數、代數超結構、粗集和模糊邏輯。達瓦茲教授在25本數學期刊的編輯委員會中任職，並在代數、模糊邏輯和代數超結構方面發表了超過700篇研究論文。他還著有八本書籍，其中三本與施普林格出版社合作出版，包括：高等微積分中的例子與問題：實值函數、群與對稱：理論與應用以及群論入門。