Search Results - "Kato, Kengo"

ESTIMATION IN FUNCTIONAL LINEAR QUANTILE REGRESSION by Kato, Kengo

“…This paper studies estimation in functional linear quantile regression in which the dependent variable is scalar while the covariate is a function, and the…”
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RANDOMIZED INCOMPLETE U-STATISTICS IN HIGH DIMENSIONS by Chen, Xiaohui, Kato, Kengo

“…This paper studies inference for the mean vector of a high-dimensional U-statistic. In the era of big data, the dimension d of the U-statistic and the sample…”
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CENTRAL LIMIT THEOREMS AND BOOTSTRAP IN HIGH DIMENSIONS by Chernozhukov, Victor, Chetverikov, Denis, Kato, Kengo

“…This paper derives central limit and bootstrap theorems for probabilities that sums of centered high-dimensional random vectors hit hyperrectangles and…”
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GAUSSIAN APPROXIMATIONS AND MULTIPLIER BOOTSTRAP FOR MAXIMA OF SUMS OF HIGH-DIMENSIONAL RANDOM VECTORS by Chernozhukov, Victor, Chetverikov, Denis, Kato, Kengo

“…We derive a Gaussian approximation result for the maximum of a sum of high-dimensional random vectors. Specifically, we establish conditions under which the…”
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Comparison and anti-concentration bounds for maxima of Gaussian random vectors by Chernozhukov, Victor, Chetverikov, Denis, Kato, Kengo

“…Slepian and Sudakov–Fernique type inequalities, which compare expectations of maxima of Gaussian random vectors under certain restrictions on the covariance…”
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Jackknife multiplier bootstrap: finite sample approximations to the U-process supremum with applications by Chen, Xiaohui, Kato, Kengo

“…This paper is concerned with finite sample approximations to the supremum of a non-degenerate U -process of a general order indexed by a function class. We are…”
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GAUSSIAN APPROXIMATION OF SUPREMA OF EMPIRICAL PROCESSES by Chernozhukov, Victor, Chetverikov, Denis, Kato, Kengo

“…This paper develops a new direct approach to approximating suprema of general empirical processes by a sequence of suprema of Gaussian processes, without…”
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Some new asymptotic theory for least squares series: Pointwise and uniform results by Belloni, Alexandre, Chernozhukov, Victor, Chetverikov, Denis, Kato, Kengo

“…In econometric applications it is common that the exact form of a conditional expectation is unknown and having flexible functional forms can lead to…”
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Inference on Causal and Structural Parameters using Many Moment Inequalities by CHERNOZHUKOV, VICTOR, CHETVERIKOV, DENIS, KATO, KENGO

“…This article considers the problem of testing many moment inequalities where the number of moment inequalities, denoted by p, is possibly much larger than the…”
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Thermodynamic Analysis on Slag/Metal Reactions in Steelmaking Process Using Direct Reduced Iron and Steel Scraps by Kato, Kengo, Ono, Hideki

“…Hydrogen reduction processes of iron ores are being developed to achieve carbon neutrality. However, high-grade iron ore pellets used in the current direct…”
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Valid Post-Selection Inference in High-Dimensional Approximately Sparse Quantile Regression Models by Belloni, Alexandre, Chernozhukov, Victor, Kato, Kengo

“…This work proposes new inference methods for a regression coefficient of interest in a (heterogenous) quantile regression model. We consider a high-dimensional…”
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Uniform confidence bands for nonparametric errors-in-variables regression by Kato, Kengo, Sasaki, Yuya

“…This paper develops a method to construct uniform confidence bands for a nonparametric regression function where a predictor variable is subject to a…”
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Effect of Ratio of Scrap to Iron Source on Slag–Metal Reaction at the Bottom of Blast Furnace and Packed Bed Type Partial Smelting Reduction Furnace by Kato, Kengo, Ono, Hideki

“…With the depletion of high-grade iron ore and increase in amount of steel scrap, a new ironmaking process utilizing both low-grade iron ore and/or steel scrap…”
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Empirical and multiplier bootstraps for suprema of empirical processes of increasing complexity, and related Gaussian couplings by Chernozhukov, Victor, Chetverikov, Denis, Kato, Kengo

“…We derive strong approximations to the supremum of the non-centered empirical process indexed by a possibly unbounded VC-type class of functions by the suprema…”
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Asymptotics for argmin processes: Convexity arguments by Kato, Kengo

“…The convexity arguments developed by Pollard [D. Pollard, Asymptotics for least absolute deviation regression estimators, Econometric Theory 7 (1991) 186–199],…”
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Inference for High-Dimensional Exchangeable Arrays by Chiang, Harold D., Kato, Kengo, Sasaki, Yuya

“…We consider inference for high-dimensional separately and jointly exchangeable arrays where the dimensions may be much larger than the sample sizes. For both…”
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Thermodynamics of Formation of Al6Mn Inter-Metallic Compound for Mn Removal from Molten Al–Mg Alloy by Kato, Kengo, Hanai, Yusuke, Ono, Hideki, Yamaguchi, Katsuhiro, Komori, Kohei

“…To reduce CO2 emission, recycling Al scrap into wrought alloy is desired. However, impurity elements are inevitably contained in the Al scrap recovered from…”
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Thermodynamics of Formation of Al3Fe Inter-Metallic Compound for Fe Removal from Molten Al–Mg Alloy by Shinomiya, Yusei, Yamamoto, Jimpei, Kato, Kengo, Ono, Hideki, Yamaguchi, Katsuhiro, Komori, Kohei

“…Recycling Al scraps is extremely important to achieve carbon neutrality. However, almost all impurity elements cannot be easily removed by oxidation and…”
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On the degrees of freedom in shrinkage estimation by Kato, Kengo

“…We study the degrees of freedom in shrinkage estimation of regression coefficients. Generalizing the idea of the Lasso, we consider the problem of estimating…”
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Interaction Coefficients of Cu and Sn with Mn in Molten Iron at 1873 K by Kato, Kengo, Ito, Hiroki, Ono, Hideki

“…Regarding the depletion of high-grade iron ore and an increase in steel scrap, a new ironmaking process that can utilize both low-grade iron ores and steel…”
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