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hep-th2001
Stringy Spacetime Uncertainty as an Alternative to Inflation
Je-An Gu, Pei-Ming Ho, Sanjaye Ramgoolam
In this paper we point out that the spacetime uncertainty relation proposed for string theory has strong cosmological implications that can solve the flatness problem and the horiz…
hep-th2000
Twisted Bundle on Noncommutative Space and U(1) Instanton
Pei-Ming Ho
We study the notion of twisted bundles on noncommutative space. Due to the existence of projective operators in the algebra of functions on the noncommutative space, there are twis…
hep-th1996
Some Complex Quantum Manifolds and their Geometry
Chong-Sun Chu, Pei-Ming Ho, Bruno Zumino
After recalling briefly some basic properties of the quantum group , we study the quantum sphere , quantum projective space and quantum Grassmannians as e…