Sina Ruth Greenwood is a New Zealand mathematician whose interests include continuum theory, discrete dynamical systems, inverse limits, set-valued analysis, and Volterra spaces. [1] [2] She is an associate professor of mathematics and Associate Dean Pacific in the faculty of science at the University of Auckland. [1]
Greenwood's parents emigrated from Samoa to Whanganui in New Zealand, shortly before Greenwood was born; they moved from there to Auckland when she was a child. She earned a bachelor's degree at the University of Auckland, and after some time in Australia became a secondary school teacher in Auckland. [2]
Returning to the University of Auckland for graduate study in mathematics, she earned a master's degree and then completed her PhD in 1999, under the joint supervision of David Gauld and David W. Mcintyre. Her dissertation was Nonmetrisable Manifolds. [2] [3] [4] She and three other students who finished their doctorates at the same time became the first topologists to earn a doctorate at Auckland. [2]
After postdoctoral research, funded by a New Zealand Science and Technology Post-Doctoral Fellowship, she obtained a permanent position at the University of Auckland as a lecturer in 2004, [2] [5] later becoming an associate professor. [2] Beyond mathematics, her work at the university has also included advocating for the interests of Pasifika and Māori students. [2] [5]
Greenwood is a Fellow of the New Zealand Mathematical Society, [6] elected in 2018. [2]