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7 papers · 1 filter
GreenInfra: Capacity of Large-Scale Hybrid Networks With Cost-Effective Infrastructure
Cheol Jeong, Won-Yong Shin
The cost-effective impact and fundamental limits of infrastructure support with rate-limited wired backhaul links (i.e., GreenInfra support), directly connecting base stations (BSs…
Algebraic structure of the analytic Fourier-Feynman transform associated with Gaussian processes on Wiener space
Seung Jun Chang, Jae Gil Choi, David Skoug
In this paper we study algebraic structures of the classes of the analytic Fourier-Feynman transforms on Wiener space. To do this we first develop several rotation properties…
Clarifying the Role of Distance in Friendships on Twitter: Discovery of a Double Power-Law Relationship
Won-Yong Shin, Jaehee Cho, André M. Everett
This study analyzes friendships in online social networks involving geographic distance with a geo-referenced Twitter dataset, which provides the exact distance between correspondi…
A New Understanding of Friendships in Space: Complex Networks Meet Twitter
Won-Yong Shin, Bikash C. Singh, Jaehee Cho +1
Studies on friendships in online social networks involving geographic distance have so far relied on the city location provided in users' profiles. Consequently, most of the resear…
Managing Hybrid Main Memories with a Page-Utility Driven Performance Model
Yang Li, Jongmoo Choi, Jin Sun +5
Hybrid memory systems comprised of dynamic random access memory (DRAM) and non-volatile memory (NVM) have been proposed to exploit both the capacity advantage of NVM and the latenc…
Causal and conformal structures of globally hyperbolic spacetimes
Do-Hyung Kim
The group of conformal diffeomorphisms and the group of causal automorphisms on two-dimensional globally hyperbolic spacetimes are clarified. It is shown that if spacetimes have no…