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02/14/2023
Minimization on mixture family
Iterative minimization algorithms appear in various areas including mach...
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11/07/2022
Two-Server Oblivious Transfer for Quantum Messages
Oblivious transfer is considered as a cryptographic primitive task for q...
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11/04/2022
Significance improvement by randomized test in random sampling without replacement
This paper studies one-sided hypothesis testing under random sampling wi...
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11/02/2022
Oblivious Quantum Computation and Delegated Multiparty Quantum Computation
We propose a new concept, oblivious quantum computation, which requires ...
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05/29/2022
Unified Approach to Secret Sharing and Symmetric Private Information Retrieval with Colluding Servers in Quantum Systems
This paper unifiedly addresses two kinds of key quantum secure tasks, i....
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01/17/2022
Commitment capacity of classical-quantum channels
We study commitment scheme for classical-quantum channels. To accomplish...
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01/07/2022
Analytical calculation formulas for capacities of classical and classical-quantum channels
We derive an analytical calculation formula for the channel capacity of ...
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01/07/2022
Bregman divergence based em algorithm and its application to classical and quantum rate distortion theory
We formulate em algorithm in the framework of Bregman divergence, which ...
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12/30/2021
Quantum secure direct communication with private dense coding using general preshared quantum state
We study quantum secure direct communication by using a general preshare...
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06/28/2021
On the Capacity of Quantum Private Information Retrieval from MDS-Coded and Colluding Servers
In quantum private information retrieval (QPIR), a user retrieves a clas...
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05/30/2021
Computation-aided classical-quantum multiple access to boost network communication speeds
A multiple access channel (MAC) consists of multiple senders simultaneou...
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03/22/2021
Secure list decoding and its application to bit-string commitment
We propose a new concept of secure list decoding, which is related to bi...
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01/27/2021
Equivalence of Non-Perfect Secret Sharing and Symmetric Private Information Retrieval with General Access Structure
We study the equivalence between non-perfect secret sharing (NSS) and sy...
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01/22/2021
Quantum Private Information Retrieval for Quantum Messages
Quantum private information retrieval (QPIR) for quantum messages is the...
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11/12/2020
When are Adaptive Strategies in Asymptotic Quantum Channel Discrimination Useful?
We present a broad investigation of asymptotic binary hypothesis testing...
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11/01/2020
Universal classical-quantum superposition coding and universal classical-quantum multiple access channel coding
We derive universal classical-quantum superposition coding and universal...
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03/30/2020
Single-Shot Secure Quantum Network Coding for General Multiple Unicast Network with Free One-Way Public Communication
It is natural in a quantum network system that multiple users intend to ...
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03/27/2020
Asymptotically Secure Network Code for Active Attacks and its Application to Network Quantum Key Distribution
When there exists a malicious attacker in the network, we need to be car...
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03/27/2020
Secure network code over one-hop relay network
When there exists a malicious attacker in the network, we need to consid...
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03/26/2020
Reduction Theorem for Secrecy over Linear Network Code for Active Attacks
We discuss the effect of sequential error injection on information leaka...
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02/27/2020
Finite Block Length Analysis on Quantum Coherence Distillation and Incoherent Randomness Extraction
We introduce a variant of randomness extraction framework in the context...
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01/13/2020
Capacity of Quantum Private Information Retrieval with Colluding Servers
Quantum private information retrieval (QPIR) is a protocol that a user r...
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01/07/2020
Permutation Enhances Classical Communication Assisted by Entangled States
We give a capacity formula for the classical communication over a noisy ...
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12/31/2019
Physical Layer Security Protocol for Poisson Channels for Passive Man-in-the-middle Attack
In this work, we focus on the classical optical channel having Poissonia...
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11/19/2019
Two-Way Physical Layer Security Protocol for Gaussian Channels
In this paper we propose a two-way protocol of physical layer security u...
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10/14/2019
Verifiable Quantum Secure Modulo Summation
We propose a new cryptographic task, which we call verifiable quantum se...
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08/11/2019
Quantifying Time-Varying Sources in Magnetoencephalography – A Discrete Approach
We study the distribution of brain source from the most advanced brain i...
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04/17/2019
Compute-and-forward relaying with LDPC codes over QPSK scheme
In this paper, we study a compute-and-forward (CAF) relaying scheme with...
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03/29/2019
Capacity of Quantum Private Information Retrieval with Collusion of All But One of Servers
Quantum private information retrieval (QPIR) is the problem to retrieve ...
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03/25/2019
Capacity of Quantum Private Information Retrieval with Multiple Servers
We consider the capacity of quantum private information retrieval (QPIR)...
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01/16/2019
Asymptotic Analysis on LDPC-BICM Scheme for Compute-and-Forward Relaying
The compute-and-forward (CAF) scheme has attracted great interests due t...
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01/09/2019
Secure list decoding
In this paper, we propose a new concept of secure list decoding. While t...
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12/28/2018
Secure Modulo Sum via Multiple Access Channel
We discuss secure computation of modular sum when multiple access channe...
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12/01/2018
Secure physical layer network coding versus secure network coding
Secure network coding realizes the secrecy of the message when the messa...
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11/01/2018
Semi-Finite Length Analysis for Information Theoretic Tasks
We focus on the optimal value for various information-theoretical tasks....
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07/03/2018
Asymptotic Analysis of Spatial Coupling Coding for Compute-and-Forward Relaying
Compute-and-forward (CAF) relaying is effective to increase bandwidth ef...
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05/16/2018
Accuracy-Privacy Trade-off in Analyzing Randomized Responses
We consider the problem of analyzing a global property of private data, ...
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04/28/2018
Secure Computation-and-Forward with Linear Codes
We discuss secure transmission via an untrusted relay when we have a mul...
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03/30/2018
Local Equivalence Problem in Hidden Markov Model
In the hidden Markovian process, there is a possibility that two differe...
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03/02/2018
Physical Layer Security for RF Satellite Channels in the Finite-length Regime
Secure communications is becoming increasingly relevant in the developme...
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01/19/2018
Asymptotic Analysis on Spatial Coupling Coding for Two-Way Relay Channels
Compute-and-forward relaying is effective to increase bandwidth efficien...
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01/03/2018
Secure communication over fully quantum Gel'fand-Pinsker wiretap channel
In this work we study the problem of secure communication over a fully q...
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12/25/2017