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- September 2021
- Article
Oh's 8-Universality Criterion Is Unique
Using the methods developed for the proof that the 2-universality criterion is unique, we partially characterize criteria for the n-universality of positive-definite integer-matrix quadratic forms. We then obtain the uniqueness of Oh’s 8-universality criterion as an...
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Keywords:
N-universal Lattice;
8-universal Lattice;
Universality Criteria;
Quadratic Forms;
Additively Indecomposable;
Mathematical Methods
Kominers, Scott Duke. "Oh's 8-Universality Criterion Is Unique." Kyungpook Mathematical Journal 61, no. 3 (September 2021): 455–459.
- January 2007 (Revised October 2007)
- Case
The Omidyar-Tufts Microfinance Fund: Striving to Reshape the Social Enterprise Capital Markets
By: Michael Chu and Jean Hazell
Seeking to impact global poverty and philanthropy, eBay founder Pierre Omidyar donates $100 million to Tufts University for a trust restricted to investment in microfinance. Explores the origins of the initiative, the perspectives and objectives of the various parties...
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Keywords:
Capital Markets;
Microfinance;
Investment Funds;
Philanthropy and Charitable Giving;
Emerging Markets;
Social Enterprise;
Financial Services Industry
Chu, Michael, and Jean Hazell. "The Omidyar-Tufts Microfinance Fund: Striving to Reshape the Social Enterprise Capital Markets." Harvard Business School Case 307-078, January 2007. (Revised October 2007.)