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- Chul Ki Ko, Tolga Acar
- 1998

We show that the multiplication operation c = a br ,1 in the eld GF2 k can be implemented signiicantly faster in software than the standard multiplication, where r is a special xed element of theâ€¦ (More)

- Chul Ki Ko, A M Apohan
- 1997

We describe an algorithm for inverting an iteration of the one-dimensional cellular automaton. The algorithm is based on the linear approximation of the updating function, and requires less thanâ€¦ (More)

We present a parallel algorithm for exact solution of an integer linear system of equations using the single modulus p-adic expansion technique. More speciically, we parallelize an algorithm ofâ€¦ (More)

Dirichlet Forms and Symmetric Markovian Semigroups on CCR Algebras with respect to Quasi-free States

- Chul Ki Ko
- 2007

Employing the construction method of Dirichlet forms on standard forms of von Neu-mann algebras developed in Pa], we construct Dirichlet forms and associated symmetric Markovian semigroups on CCRâ€¦ (More)

- Chul Ki Ko, B Bakkalo

We present a new parallel algorithm for computing arbitrary functions of triangular matrices. The presented algorithm is the rst one to date requiring polylogarithmic time, and computes an arbitraryâ€¦ (More)

- O E Gecio Glu, Chul Ki Ko
- 1994

The canonical bit recoding technique can be used to reduce the average numb e r o f m ultiplications required to compute X E provided that X ,1 is supplied along with X. We model the generation ofâ€¦ (More)

The modular multiplication and exponentiation algorithms based on the Mont-gomery reduction technique require that the modulus be an odd integer. In this short paper, we show that, with the help ofâ€¦ (More)

When we use the entropy method to get the tail bounds, typically the left tail bounds are not good comparing with the right ones. Up to now this asymmetry has been observed many times. Surprisinglyâ€¦ (More)

- Hyeong-Ho Park, Xin Zhang, +7 authors Chul Ki Ko
- Science and technology of advanced materials
- 2012

We present a simple size reduction technique for fabricating 400 nm zinc oxide (ZnO) architectures using a silicon master containing only microscale architectures. In this approach, the overallâ€¦ (More)

- Chul Ki Ko, A Gg Uven C, B Bakkalo
- 1994

We p resent two new parallel algorithms for exact error-free solution of a system of linear equations on a distributed-memory multiprocessor. The exact solution is obtained using the congruenceâ€¦ (More)