User profiles for E. K. Ryu

Ernest K. Ryu

Seoul National University
Verified email at snu.ac.kr
Cited by 2214

[HTML][HTML] Current Perspectives on 89Zr-PET Imaging

JK Yoon, BN Park, EK Ryu, YS An, SJ Lee - International Journal of …, 2020 - mdpi.com
89 Zr is an emerging radionuclide that plays an essential role in immuno-positron emission
tomography (PET) imaging. The long half-life of 89 Zr (t 1/2 = 3.3 days) is favorable for …

[PDF][PDF] Primer on monotone operator methods

EK Ryu, S Boyd - Appl. comput. math, 2016 - stanford.edu
This tutorial paper presents the basic notation and results of monotone operators and operator
splitting methods, with a focus on convex optimization. A very wide variety of algorithms, …

[BOOK][B] Large-scale convex optimization: algorithms & analyses via monotone operators

EK Ryu, W Yin - 2022 - books.google.com
Ryu and Yin provide optimization students and researchers with a self-contained introduction
to the elegant mathematicaltheoryof monotoneoperators, and taketheir readers on atour …

Curcumin and Dehydrozingerone Derivatives:  Synthesis, Radiolabeling, and Evaluation for β-Amyloid Plaque Imaging

EK Ryu, YS Choe, KH Lee, Y Choi… - Journal of medicinal …, 2006 - ACS Publications
Alzheimer's disease (AD) is pathologically characterized by the accumulation of amyloid
plaques and neurofibrillary tangles in the brain, and thus, the in vivo imaging of plaques and …

Further improvement of an efficient password based remote user authentication scheme using smart cards

EJ Yoon, EK Ryu, KY Yoo - IEEE Transactions on Consumer …, 2004 - ieeexplore.ieee.org
Recently, Ku-Chen proposed an improvement to Chien et al.'s scheme to prevent from some
weaknesses. However, the improved scheme is not only still susceptible to parallel session …

Accelerated Algorithms for Smooth Convex-Concave Minimax Problems with O (1/k^ 2) Rate on Squared Gradient Norm

TH Yoon, EK Ryu - International Conference on Machine …, 2021 - proceedings.mlr.press
In this work, we study the computational complexity of reducing the squared gradient magnitude
for smooth minimax optimization problems. First, we present algorithms with accelerated …

18F-labeled BBN-RGD heterodimer for prostate cancer imaging

ZB Li, Z Wu, K Chen, EK Ryu… - Journal of Nuclear …, 2008 - Soc Nuclear Med
Both bombesin (BBN) analogs and cyclic RGD peptides have been suitably radiolabeled for
prostate cancer imaging. However, the limited expression of gastrin-releasing peptide …

Decentralized proximal gradient algorithms with linear convergence rates

SA Alghunaim, EK Ryu, K Yuan… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article studies a class of nonsmooth decentralized multiagent optimization problems
where the agents aim at minimizing a sum of local strongly-convex smooth components plus a …

Structural characterization of unsaturated phosphatidylcholines using traveling wave ion mobility spectrometry

HI Kim, H Kim, ES Pang, EK Ryu, LW Beegle… - Analytical …, 2009 - ACS Publications
A number of phosphatidylcholine (PC) cations spanning a mass range of 400−1000 Da are
investigated using electrospray ionization mass spectrometry coupled with traveling wave …

Operator splitting performance estimation: Tight contraction factors and optimal parameter selection

EK Ryu, AB Taylor, C Bergeling, P Giselsson - SIAM Journal on Optimization, 2020 - SIAM
… The proof follows from using the ``scaled relative graph"" developed in the concurrent work
by Ryu, … [66] EK Ryu and S. Boyd, Primer on monotone operator methods, Appl. Comput. …