Results for 'Tomoya Yokoyama'

69 found
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  1.  8
    Missing Effect of Party Cues in Japan: Evidence From a Survey Experiment.Tetsuro Kobayashi & Tomoya Yokoyama - 2018 - Japanese Journal of Political Science 19 (1):61-79.
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  2.  5
    Pitting Prime Minister Cues with Party Cues in a Multiparty System: A Survey Experiment in Japan.Tomoya Yokoyama & Tetsuro Kobayashi - 2019 - Japanese Journal of Political Science 20 (2):93-106.
    Motivated by a previous finding that single-party cues have no effect in Japan and by the increasing ‘presidentialization’ of Japanese politics, the present study examined whether the use of prime minister cues in place of single-party cues helps Japanese voters form policy preferences. In addition, to probe the effect of party cues that are unique to multiparty systems, the effect of multiple-party cues, which indicate that a policy is supported by multiple rather than single ideologically distinct parties, was investigated. The (...)
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  3.  32
    Complex Analysis in Subsystems of Second Order Arithmetic.Keita Yokoyama - 2007 - Archive for Mathematical Logic 46 (1):15-35.
    This research is motivated by the program of Reverse Mathematics. We investigate basic part of complex analysis within some weak subsystems of second order arithmetic, in order to determine what kind of set existence axioms are needed to prove theorems of basic analysis. We are especially concerned with Cauchy’s integral theorem. We show that a weak version of Cauchy’s integral theorem is proved in RCAo. Using this, we can prove that holomorphic functions are analytic in RCAo. On the other hand, (...)
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  4.  33
    Reverse Mathematics and Peano Categoricity.Stephen G. Simpson & Keita Yokoyama - 2013 - Annals of Pure and Applied Logic 164 (3):284-293.
    We investigate the reverse-mathematical status of several theorems to the effect that the natural number system is second-order categorical. One of our results is as follows. Define a system to be a triple A,i,f such that A is a set and i∈A and f:A→A. A subset X⊆A is said to be inductive if i∈X and ∀a ∈X). The system A,i,f is said to be inductive if the only inductive subset of A is A itself. Define a Peano system to be (...)
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  5.  21
    On the Strength of Ramsey's Theorem Without Σ1 -Induction.Keita Yokoyama - 2013 - Mathematical Logic Quarterly 59 (1-2):108-111.
    In this paper, we show that equation image is a equation image-conservative extension of BΣ1 + exp, thus it does not imply IΣ1.
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  6.  18
    On Principles Between ∑1- and ∑2-Induction, and Monotone Enumerations.Alexander P. Kreuzer & Keita Yokoyama - 2016 - Journal of Mathematical Logic 16 (1):1650004.
    We show that many principles of first-order arithmetic, previously only known to lie strictly between [Formula: see text]-induction and [Formula: see text]-induction, are equivalent to the well-foundedness of [Formula: see text]. Among these principles are the iteration of partial functions of Hájek and Paris, the bounded monotone enumerations principle by Chong, Slaman, and Yang, the relativized Paris–Harrington principle for pairs, and the totality of the relativized Ackermann–Péter function. With this we show that the well-foundedness of [Formula: see text] is a (...)
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  7.  21
    The Jordan Curve Theorem and the Schönflies Theorem in Weak Second-Order Arithmetic.Nobuyuki Sakamoto & Keita Yokoyama - 2007 - Archive for Mathematical Logic 46 (5-6):465-480.
    In this paper, we show within ${\mathsf{RCA}_0}$ that both the Jordan curve theorem and the Schönflies theorem are equivalent to weak König’s lemma. Within ${\mathsf {WKL}_0}$ , we prove the Jordan curve theorem using an argument of non-standard analysis based on the fact that every countable non-standard model of ${\mathsf {WKL}_0}$ has a proper initial part that is isomorphic to itself (Tanaka in Math Logic Q 43:396–400, 1997).
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  8.  15
    A Nonstandard Counterpart of WWKL.Stephen G. Simpson & Keita Yokoyama - 2011 - Notre Dame Journal of Formal Logic 52 (3):229-243.
    In this paper, we introduce a system of nonstandard second-order arithmetic $\mathsf{ns}$-$\mathsf{WWKL_0}$ which consists of $\mathsf{ns}$-$\mathsf{BASIC}$ plus Loeb measure property. Then we show that $\mathsf{ns}$-$\mathsf{WWKL_0}$ is a conservative extension of $\mathsf{WWKL_0}$ and we do Reverse Mathematics for this system.
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  9.  10
    Formalizing Non-Standard Arguments in Second-Order Arithmetic.Keita Yokoyama - 2010 - Journal of Symbolic Logic 75 (4):1199-1210.
    In this paper, we introduce the systems ns-ACA₀ and ns-WKL₀ of non-standard second-order arithmetic in which we can formalize non-standard arguments in ACA₀ and WKL₀, respectively. Then, we give direct transformations from non-standard proofs in ns-ACA₀ or ns-WKL₀ into proofs in ACA₀ or WKL₀.
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  10.  11
    Categorical Characterizations of the Natural Numbers Require Primitive Recursion.Leszek Aleksander Kołodziejczyk & Keita Yokoyama - 2015 - Annals of Pure and Applied Logic 166 (2):219-231.
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  11.  12
    Non-Standard Analysis in ACA0 and Riemann Mapping Theorem.Keita Yokoyama - 2007 - Mathematical Logic Quarterly 53 (2):132-146.
    This research is motivated by the program of reverse mathematics and non-standard arguments in second-order arithmetic. Within a weak subsystem of second-order arithmetic ACA0, we investigate some aspects of non-standard analysis related to sequential compactness. Then, using arguments of non-standard analysis, we show the equivalence of the Riemann mapping theorem and ACA0 over WKL0. (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim).
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  12.  25
    Nonstandard Second-Order Arithmetic and Riemannʼs Mapping Theorem.Yoshihiro Horihata & Keita Yokoyama - 2014 - Annals of Pure and Applied Logic 165 (2):520-551.
    In this paper, we introduce systems of nonstandard second-order arithmetic which are conservative extensions of systems of second-order arithmetic. Within these systems, we do reverse mathematics for nonstandard analysis, and we can import techniques of nonstandard analysis into analysis in weak systems of second-order arithmetic. Then, we apply nonstandard techniques to a version of Riemannʼs mapping theorem, and show several different versions of Riemannʼs mapping theorem.
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  13.  1
    Translating Hierarchy in Hideo Yokoyama’s Six Four.Lola Sundin & Shani Tobias - forthcoming - Perspectives:1-17.
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  14.  16
    Reverse Mathematical Bounds for the Termination Theorem.Silvia Steila & Keita Yokoyama - 2016 - Annals of Pure and Applied Logic 167 (12):1213-1241.
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  15.  33
    The Dirac Delta Function in Two Settings of Reverse Mathematics.Sam Sanders & Keita Yokoyama - 2012 - Archive for Mathematical Logic 51 (1-2):99-121.
    The program of Reverse Mathematics (Simpson 2009) has provided us with the insight that most theorems of ordinary mathematics are either equivalent to one of a select few logical principles, or provable in a weak base theory. In this paper, we study the properties of the Dirac delta function (Dirac 1927; Schwartz 1951) in two settings of Reverse Mathematics. In particular, we consider the Dirac Delta Theorem, which formalizes the well-known property ${\int_\mathbb{R}f(x)\delta(x)\,dx=f(0)}$ of the Dirac delta function. We show that (...)
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  16. Image and Reality at Sea: Fish and Cognitive Mapping in Carolinean Navigational Knowledge.Tomoya Akimichi - 1996 - In R. F. Ellen & Katsuyoshi Fukui (eds.), Redefining Nature: Ecology, Culture, and Domestication. Berg. pp. 493--514.
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  17.  3
    Searching for Distress of Similar Situation From CQA ContentCQAコンテンツからの状況が類似する悩みの検索.Tomoya Hashiguchi, Takehiro Yamamoto, Sumio Fujita & Hiroaki Ohshima - 2021 - Transactions of the Japanese Society for Artificial Intelligence 36 (1):WI2-B_1-13.
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  18.  10
    Association Between Unintentional Interpersonal Postural Coordination Produced by Interpersonal Light Touch and the Intensity of Social Relationship.Tomoya Ishigaki, Ryota Imai & Shu Morioka - 2017 - Frontiers in Psychology 8.
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  19.  16
    Markov Processes and Time^|^Rsquo;s Arrow.Tomoya Takamura - 2011 - Kagaku Tetsugaku 44 (2):2_99-2_114.
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  20.  8
    Mining Revision Log of Language Learning SNS for Automated Japanese Error Correction.Tomoya Mizumoto, Mamoru Komachi, Masaaki Nagata & Yuji Matsumoto - 2013 - Transactions of the Japanese Society for Artificial Intelligence 28 (5):420-432.
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  21.  20
    Disbelief, Lies, and Manipulations in a Transactional Discourse Model.OlgaT Yokoyama - 1988 - Argumentation 2 (1):133-151.
    Disbelief, lies, and manipulations have been objects of scholarly consideration from widely different perspectives: historical, sociological, philosophical, ethical, logical, and pragmatic. In this paper, these notions are re-examined in the framework of a Transactional Discourse Model which operates in terms of the location and relocation of various knowledge items within two sets of knowledge, A and B, representing two interlocators A and B, and two of their subsets Ca and Cb, which constitute the sets of the matters of A's and (...)
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  22.  11
    Entropies of Mixing of Liquid Metals A Hard-Sphere Description.I. H. Umar, I. Yokoyama & W. H. Young - 1976 - Philosophical Magazine 34 (4):535-548.
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  23.  19
    Simon of Faversham's Sophisma: "Universale Est Intentio".Tetsuo Yokoyama - 1969 - Mediaeval Studies 31 (1):1-14.
  24.  5
    Domain-Independent Error-Based Simulation for Error-Awareness and Its Preliminary Evaluation.Tomoya Horiguchi & Tsukasa Hirashima - 2008 - In Tu-Bao Ho & Zhi-Hua Zhou (eds.), Pricai 2008: Trends in Artificial Intelligence. Springer. pp. 951--958.
  25.  8
    Robust Simulator for Error-Visualization in Assisting Learning Science.Tomoya Horiguchi & Tsukasa Hirashima - 2006 - Transactions of the Japanese Society for Artificial Intelligence 21 (6):514-525.
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  26. Simulation-Based Learning Environment for Assisting Error-Correction誤りの修正を支援するシミュレーション環境 誤り原因の示唆性を考慮したError‐Based Simulationの制御.Tomoya Horiguchi & Tsukasa Hirashima - 2002 - Transactions of the Japanese Society for Artificial Intelligence 17:462-472.
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  27.  4
    Temperature Dependence of the Structure of Liquid Mercury Up to 250°C.Y. Waseda, K. Yokoyama & K. Suzuki - 1974 - Philosophical Magazine 29 (6):1427-1430.
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  28.  22
    Propagation of Partial Randomness.Kojiro Higuchi, W. M. Phillip Hudelson, Stephen G. Simpson & Keita Yokoyama - 2014 - Annals of Pure and Applied Logic 165 (2):742-758.
    Let f be a computable function from finite sequences of 0ʼs and 1ʼs to real numbers. We prove that strong f-randomness implies strong f-randomness relative to a PA-degree. We also prove: if X is strongly f-random and Turing reducible to Y where Y is Martin-Löf random relative to Z, then X is strongly f-random relative to Z. In addition, we prove analogous propagation results for other notions of partial randomness, including non-K-triviality and autocomplexity. We prove that f-randomness relative to a (...)
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  29.  13
    Object Manipulation Planning and Replanning for Robots with Humans.Hisashi Hayashi, Masaru Adachi, Kazuhiko Yokoyama, Hideki Ogawa & Nobuto Matsuhira - 2013 - Transactions of the Japanese Society for Artificial Intelligence 28 (2):122-130.
  30.  15
    Generating Balanced Incomplete Block Designs by SAT Encoding.Haruki Matsunaka, Tomoya Tanjo, Mutsunori Banbara & Naoyuki Tamura - 2012 - Transactions of the Japanese Society for Artificial Intelligence 27 (2):10-15.
  31.  9
    Preprocessing of Metrics Measurement Based on Simplifying Program Strucutres.Yui Sasaki, Tomoya Ishihara, Keisuke Hotta, Hideaki Hata, Yoshiki Higo, Hiroshi Igaki & Shinji Kusumoto - manuscript
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  32.  17
    The Effects of Family Socioeconomic Status on Psychological and Neural Mechanisms as Well as Their Sex Differences.Hikaru Takeuchi, Yasuyuki Taki, Rui Nouchi, Ryoishi Yokoyama, Yuka Kotozaki, Seishu Nakagawa, Atsushi Sekiguchi, Kunio Iizuka, Yuki Yamamoto, Sugiko Hanawa, Tsuyoshi Araki, Carlos Makoto Miyauchi, Kohei Sakaki, Takayuki Nozawa, Shigeyuki Ikeda, Susumu Yokota, Daniele Magistro, Yuko Sassa & Ryuta Kawashima - 2019 - Frontiers in Human Neuroscience 12.
  33.  1
    Interaction Effects of Behavioral Inhibition System/Behavioral Activation System and Cost/Probability Biases on Social Anxiety.Risa Ito, Natsuki Kobayashi, Satoshi Yokoyama, Haruna Irino, Yui Takebayashi & Shin-Ichi Suzuki - 2019 - Frontiers in Psychology 10.
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  34.  9
    Use of Clinical Practice Guidelines by Dentists: Findings From the Japanese Dental Practice-Based Research Network.Naoki Kakudate, Yoko Yokoyama, Futoshi Sumida, Yuki Matsumoto, Valeria V. Gordan & Gregg H. Gilbert - 2017 - Journal of Evaluation in Clinical Practice 23 (1):96-101.
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  35.  12
    Post-Event Processing Predicts Impaired Cortisol Recovery Following Social Stressor: The Moderating Role of Social Anxiety.Shunta Maeda, Tomoya Sato, Hironori Shimada & Hideki Tsumura - 2017 - Frontiers in Psychology 8.
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  36.  1
    A Vocabulary Costruction Method Based on Difference Between Source Document and Summary for Neural Summarization Modelニューラル要約モデルのための原文書と要約対の差分に基づく語彙構築方法.Takuya Makino & Tomoya Iwakura - 2020 - Transactions of the Japanese Society for Artificial Intelligence 35 (6):B-K46_1-8.
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  37.  39
    International Comparison of Bubbles and Bubble Indicators.Naoyuki Yoshino, Tomoya Nakamura & Yoshitaka Sakai - 2014 - AI and Society 29 (3):427-434.
    The purpose of this paper is to analyze the financial turmoil of the US subprime loan crisis of mid-Noughties and to compare it with the Japanese asset bubble of late 1980s. While examining the two crises, it compares the monetary policies of both countries, focusing on the excess liquidity and expansion of bank loans that were seen. This paper develops several bubble indicators, including the ratio of real estate loans to total loans, the loan-to-GDP ratio, and housing affordability. In order (...)
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  38.  7
    Ab Initio Calculations of Entropies of Liquid Alloys.I. Yokoyama, A. Meyer, M. J. Stott & W. H. Young - 1977 - Philosophical Magazine 35 (4):1021-1036.
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  39.  10
    Alpha Phase Synchronization of Parietal Areas Reflects Switch-Specific Activity During Mental Rotation: An EEG Study.Hiroshi Yokoyama, Isao Nambu, Jun Izawa & Yasuhiro Wada - 2018 - Frontiers in Human Neuroscience 12.
  40.  11
    Academic Self-Efficacy and Academic Performance in Online Learning: A Mini Review.Satoru Yokoyama - 2019 - Frontiers in Psychology 9.
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  41. Book Reviews: Joanna Liddle and S. Nakajima, Rising Suns, Rising Daughters: Gender, Class and Power in Japan. London and New York: Zed Books, 2001. 340 Pp. ISBN 1—85649—878—6, £55.00/Us$75.00 (Hbk); ISBN 1—85649—879—4 £16.95/Us$27.50. [REVIEW]Fumino Yokoyama - 2002 - Feminist Theory 3 (1):127-128.
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  42.  5
    Completion for Multiple Path Orderings Based on Precedence and Binary Decision Diagrams.Issei Yokoyama & Masahito Kurihara - 2004 - Transactions of the Japanese Society for Artificial Intelligence 19:472-482.
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  43.  4
    Gaze Cuing Effects in Peripheral Vision.Takemasa Yokoyama & Yuji Takeda - 2019 - Frontiers in Psychology 10.
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  44.  6
    Neuroscience and Society.Teruo Yokoyama - 2009 - Kagaku Tetsugaku 42 (2):1-11.
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  45.  6
    Rational Acceptability and Truth.Mikiko Yokoyama - 2007 - Journal of the Japan Association for Philosophy of Science 35 (1):1-9.
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  46.  15
    Reward Learning and Negative Emotion During Rapid Attentional Competition.Takemasa Yokoyama, Srikanth Padmala & Luiz Pessoa - 2015 - Frontiers in Psychology 6.
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  47.  4
    Rational Acceptability and Truth.Mikiko Yokoyama - 2020 - Annals of the Japan Association for Philosophy of Science 29:27-39.
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  48.  16
    Effect of Post-GBE Strain-Sensitisation on Corrosion Resistance of Grain Boundary Engineered 304 Austenitic Stainless Steel.Gouki Yamada, Hiroyuki Kokawa, Yu Yasuda, Shun Tokita, Takashi Yokoyama, Yutaka S. Sato, Hiromichi T. Fujii & Sadahiro Tsurekawa - 2013 - Philosophical Magazine 93 (10-12):1443-1453.
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  49.  5
    The Strength of Ramsey’s Theorem for Pairs and Arbitrarily Many Colors.Theodore A. Slaman & Keita Yokoyama - 2018 - Journal of Symbolic Logic 83 (4):1610-1617.
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  50.  6
    The Structure of Liquid Alkaline Earth Metals.Y. Waseda, K. Yokoyama & K. Suzuki - 1974 - Philosophical Magazine 30 (5):1195-1198.
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