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Quantum Duplex Coding for Classical Information on IBM Quantum Devices
Somi Yun(윤소미),Kihyo Kwon(권기효),Junaid ur Rehman,Fakhar Zaman,Hyundong Shin(신현동) 한국통신학회 2019 한국통신학회 학술대회논문집 Vol.2019 No.11
Quantum duplex coding (QDC) allows the simultaneous two-way transmission of information between two communicating parties (Alice and Bob). We implement the QDC protocol on the IBM quantum device using QISkit and compare its performance with the ideal case. Our results indicate that while the noiseless case allows the simultaneous transmission of 1 bits/EPR in both directions, the noise in the IBM quantum devices limits the communication rate to 0.81 (0.75) bits/EPR from Alice (Bob) to Bob (Alice). We model this nonideal behavior of quantum gates on IBMquantum devices as ideal gates followed by the application of quantum noise to simulate QDC classically.
Somi, Koa,Sung Hae, Kang 한국색채학회 2017 AIC 2017 Jeju Vol.2017 No.10
We can expect various kinds of paper through the raw materials, the process of making paper(chojibeob). However, as we entered into the era of mechanization and industrialization, we used to use impure materials and clumsy manufacturing methods. Because of this, we have lost our own beauty and technique of Korean tradition. Many of the previous approaches to study paper were mainly about history of paper, process of making paper, raw materials, types of paper, and architectural characteristics of paper. On the other hand, the author demonstrated how different the result of colors(by hanjiyeomsaek) vary depending on the process of making paper(oebal process in traditional korean way vs ssangbal process in traditional japanese way). And we focused on the Characteristics of Korean traditional paper thoroughly. Based on this, we aim to establish the identity of the traditional Korean paper, contribute to the succession and development of Korean traditional culture and contribute to the arts` artistic activities.
The Farmwife and Rural Cosmopolitanism in Barbara Kingsolver’s Flight Behavior
( Somi Ahn ) 한국영미문학페미니즘학회 2018 영미문학페미니즘 Vol.26 No.3
Barbara Kingsolver’s Flight Behavior (2012) is a contemporary narrative of climate change, which presents the interplay of rurality and cosmopolitanism. The novel describes the ways in which its heroine―a marginalized farmwife―evolves into a cosmopolitan citizen inasmuch as she tries to find a practical solution for climate change upon encountering the sudden arrival of the Monarch butterflies at the mountain right behind her house, which is a by-product of global warming. Over the course of the narrative, the farmwife opens her rural and domestic space to visitors from all over the world, working closely with them. Her change unfolds in ways that territorialize cosmopolitanism within the rural community. In this article, I examine the process of her development through the theoretical lens of rural cosmopolitanism. Ultimately, I argue that the novel prompts the reader to closely look at how one’s habits of everyday life in the countryside can be assigned cosmopolitical meanings in the twenty-first-century world risk society.
REELY; A device that limits the streaming time and visualizes playback of music
Somi Ju(주소미),Hayeon Choi(최하연),Young Woo Park(박영우) 한국HCI학회 2019 한국HCI학회 학술대회 Vol.2019 No.2
We introduce REELY, a music player for setting time based on constraint and a physical interface based on old cassette tapes. Reely is based on a concept of a counter functional things that counters some of its own functionality. Our systems restrict essential function of modern music player such as listening music infinitely. This device expected find a new value and experience through time limitations.
Bell’s Inequality Violation on MATLAB
Somi Yun,Fakhar Zaman,Junaid ur Rehman,Hyundong Shin 한국통신학회 2020 한국통신학회 학술대회논문집 Vol.2020 No.8
Bell’s inequality provides a framework to objectively decide the locality of a system. In this article, we demonstrate the violation of Bell’s inequality on IBM quantum devices and Matlab. Our main objective in Matlab simulations is to characterize the robustness of Bell’s inequality under different types of noise models. We find parameter thresholds for depolarizing and amplitude damping channels below which violation of Bell’s inequality can be ensured for the maximally entangled states.
Somi Shin,이휘재,신종환,이세종 대한응급의학회 2018 Clinical and Experimental Emergency Medicine Vol.5 No.1
Objective Brain computed tomography (CT) is commonly performed to diagnose acute altered mental status (AMS), a critically important symptom in many serious diseases. However, negative CT results are common, which result in unnecessary CT use. Therefore, this study aimed to determine the clinical factors associated with positive CT findings. Methods Patients with acute AMS selected from an emergency department-based registry were retrospectively evaluated. Patients with non-traumatic and noncommunicable diseases on initial presentation and with Glasgow Comal Scale scores of <15 were included in the study. Results Among the 367 brain CT results of patients with AMS during the study period, 146 (39.8%) were positive. In a multivariate analysis, the presence of focal neurologic deficit (odds ratio [OR], 132.6; 95% confidence interval [CI], 37.8 to 464.6), C-reactive protein level <2 mg/dL (OR, 3.9; 95% CI, 1.4 to 10.6), and Glasgow Comal Scale score <9 (OR, 2.4; 95% CI, 1.2 to 4.8) were significantly associated with positive brain CT results. Conclusion The presence of focal neurologic deficit, initial Glasgow Comal Scale score of <9, and initial C-reactive protein levels of <2 mg/dL can facilitate the selection of brain CT to diagnose patients with acute AMS in the emergency department.