Optimal Aquaculture Planning While Accounting for the Size Spectrum
Hidekazu Yoshioka
Operations Research Forum, 4, 3, -, 2023

Limit equations of adaptive Erlangization and their application to environmental management
Hidekazu Yoshioka, Tomomi Tanaka, Futoshi Aranishi
Computers & Mathematics with Applications, 146, 271-293, 2023

Dual stochastic descriptions of streamflow dynamics under model ambiguity through a Markovian embedding
Hidekazu Yoshioka, Yumi Yoshioka
Journal of Mathematics in Industry, 13, 1, -, 2023

Modeling and computation of cost-constrained adaptive environmental management with discrete observation and intervention
Hidekazu Yoshioka, Motoh Tsujimura, Haruka Tomobe
Journal of Computational and Applied Mathematics, 424, 114974-114974, 2023

CVaR-based optimization of environmental flow via the Markov lift of a mixed moving average process
Hidekazu Yoshioka, Tomohiro Tanaka, Yumi Yoshioka, Ayumi Hashiguchi, Futoshi Aranishi
Optimization and Engineering, 24, 4, 2935-2972, 2023

Stochastic optimization of a mixed moving average process for controlling non-Markovian streamflow environments
Hidekazu Yoshioka, Tomohiro Tanaka, Yumi Yoshioka, Ayumi Hashiguchi
Applied Mathematical Modelling, 116, 490-509, 2023

Time‐average stochastic control based on a singular local Lévy model for environmental project planning under habit formation
Hidekazu Yoshioka, Motoh Tsujimura, Kunihiko Hamagami, Haruka Tomobe
Mathematical Methods in the Applied Sciences, 46, 9, 10572-10601, 2023

A Non-local Fokker-Planck Equation with Application to Probabilistic Evaluation of Sediment Replenishment Projects
Hidekazu Yoshioka, Kunihiko Hamagami, Haruka Tomobe
Methodology and Computing in Applied Probability, 25, 1, -, 2023

Distributionally-Robust Optimization for Sustainable Exploitation of the Infinite-Dimensional Superposition of Affine Processes with an Application to Fish Migration
Hidekazu Yoshioka, Motoh Tsujimura, Yumi Yoshioka
-, 2023

A Jump Ornstein–Uhlenbeck Bridge Based on Energy-Optimal Control and Its Self-Exciting Extension
Hidekazu Yoshioka, Kazutoshi Yamazaki
IEEE Control Systems Letters, 7, 1536-1541, 2023

Modeling and computation of an integral operator Riccati equation for an infinite-dimensional stochastic differential equation governing streamflow discharge
Hidekazu Yoshioka, Motoh Tsujimura, Tomohiro Tanaka, Yumi Yoshioka, Ayumi Hashiguchi
Computers & Mathematics with Applications, 126, 115-148, 2022

Dynamic optimization with tempered stable subordinators for modeling river hydraulics
Hidekazu Yoshioka, Yumi Yoshioka
Data Analysis and Related Applications, Volume 2: Multivariate, Health and Demographic Data Analysis, 10, 105-117, 2022

A robust consumption model when the intensity of technological progress is ambiguous
Motoh Tsujimura, Hidekazu Yoshioka
Mathematics and Financial Economics, 17, 1, 23-47, 2022

Stochastic streamflow and dissolved silica dynamics with application to the worst-case long-run evaluation of water environment
Hidekazu Yoshioka, Yumi Yoshioka
OPTIMIZATION AND ENGINEERING, 24, 3, 1577-1610, 2022

Optimal sizing of the sediment replenishment capacity based on robust ergodic control of subordinator-driven dynamics
Hidekazu Yoshioka, Motoh Tsujimura
Optimization, 71, 11, 1-35, 2022

Hydrodynamics-based modeling of phosphorus balance and dynamics in a large tropical floodplain
Vouchlay Theng, Kana Hashimoto, Sovannara Uk, Tomohiro Tanaka, Hidekazu Yoshioka, Chihiro Yoshimura
Environmental Advances, 7, -, 2022

Modeling Clusters in Streamflow Time Series Based on an Affine Process
Hidekazu Yoshioka, Yumi Yoshioka
379-385, 2022

A Complete Solution to a Long-Run Sand Augmentation Problem Under Uncertainty
Hidekazu Yoshioka, Haruka Tomobe
Smart Innovation, Systems and Technologies, 292, 127-133, 2022

A Volterra Process Model for River Water Temperature
Hidekazu Yoshioka, Yumi Yoshioka, Ayumi Hashiguchi
Environmental Science and Engineering, 95-106, 2022

Derivation and Computation of Integro-Riccati Equation for Ergodic Control of Infinite-Dimensional SDE
Hidekazu Yoshioka, Motoh Tsujimura
Computational Science – ICCS 2022, 577-588, 2022

Spatiotemporal variability of hydrogen stable isotopes at a local scale in shallow groundwater during the warm season in Tottori Prefecture, Japan
Yumi Yoshioka, Hidekazu Yoshioka
HYDROLOGICAL RESEARCH LETTERS, 16, 1, 25-31, 2022

A Simple Model on Streamflow Management with a Dynamic Risk Measure
Hidekazu Yoshioka, Yumi Yoshioka
-, 2022

Mathematical and numerical analyses of a stochastic impulse control model with imperfect interventions
Hidekazu Yoshioka, Yuta Yaegashi
JOURNAL OF MATHEMATICS IN INDUSTRY, 11, 1, -, 2021

HJB and Fokker-Planck equations for river environmental management based on stochastic impulse control with discrete and random observation
Hidekazu Yoshioka, Motoh Tsujimura, Kunihiko Hamagami, Yuta Yaegashi, Yumi Yoshioka
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 96, 131-154, 2021

Dem-based river cross-section extraction and 1-d streamflow simulation for eco-hydrological modeling: A case study in upstream hiikawa river, japan
Tomohiro Tanaka, Hidekazu Yoshioka, Yumi Yoshioka
Hydrological Research Letters, 15, 3, 71-76, 2021

Designing cost-efficient inspection schemes for stochastic streamflow environment using an effective Hamiltonian approach (Jun, 10.1007/s11081-021-09655-7, 2021)
Hidekazu Yoshioka, Yumi Yoshioka
OPTIMIZATION AND ENGINEERING, 23, 3, 1409-1410, 2021

Designing cost-efficient inspection schemes for stochastic streamflow environment using an effective Hamiltonian approach
Hidekazu Yoshioka, Yumi Yoshioka
OPTIMIZATION AND ENGINEERING, 23, 3, 1375-1407, 2021

Tempered Stable Ornstein-Uhlenbeck Model for River Discharge Time Series with Its Application to Dissolved Silicon Load Analysis
H. Yoshioka, Y. Yoshioka
IOP Conference Series: Earth and Environmental Science, 691, 1, -, 2021

Stochastic impulse control of nonsmooth dynamics with partial observation and execution delay: Application to an environmental restoration problem
Hidekazu Yoshioka, Yuta Yaegashi
OPTIMAL CONTROL APPLICATIONS & METHODS, 42, 5, 1226-1252, 2021

Cost-efficient monitoring of continuous-time stochastic processes based on discrete observations
Hidekazu Yoshioka, Yuta Yaegashi, Motoh Tsujimura, Yumi Yoshioka
APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, 37, 1, 113-138, 2021

Analytical Approach for Sustainable Multi-Objective Management of Sediment-Algae Dynamics
Hidekazu Yoshioka, Saya Hashimoto
-, 2021

Solutions and Challenges in Computing FBSDEs with Large Jumps for Dam and Reservoir System Operation
Hidekazu Yoshioka
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 12747 LNCS, 526-539, 2021

Mathematical and Computational Approaches for Stochastic Control of River Environment and Ecology: From Fisheries Viewpoint
Hidekazu Yoshioka
Modeling and Optimization in Science and Technologies, 18, 23-51, 2021

Feasibility study of a blind-type photovoltaic roof-shade system designed for simultaneous production of crops and electricity in a greenhouse
Zhi Li, Akira Yano, Hidekazu Yoshioka
Applied Energy, 279, -, 2020

Mathematical modeling and computation of a dam-reservoir system balancing environmental management and hydropower generation
Hidekazu Yoshioka
ENERGY REPORTS, 6, 51-54, 2020

Regime-switching constrained viscosity solutions approach for controlling dam-reservoir systems
Hidekazu Yoshioka, Yumi Yoshioka
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 80, 9, 2057-2072, 2020

A hybrid stochastic river environmental restoration modeling with discrete and costly observations
Hidekazu Yoshioka, Motoh Tsujimura, Kunihiko Hamagami, Yumi Yoshioka
OPTIMAL CONTROL APPLICATIONS & METHODS, 41, 6, 1964-1994, 2020

Two-species competing population dynamics with the population-dependent environmental capacities under random disturbance
Hidekazu Yoshioka
THEORY IN BIOSCIENCES, 139, 3, 279-297, 2020

Biological population management based on a Hamilton-Jacobi-Bellman equation with boundary blow up
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Masayuki Fujihara
INTERNATIONAL JOURNAL OF CONTROL, 95, 1, 50-67, 2020

River environmental restoration based on random observations of a non-smooth stochastic dynamical system
Hidekazu Yoshioka
-, 2020

A random observation-based management model of population dynamics and its ecological application
Hidekazu Yoshioka, Yuta Yaegashi, Motoh Tsujimura
-, 2020

On a non-standard two-species stochastic competing system and a related degenerate parabolic equation
H. Yoshioka, Y. Yoshioka
ANZIAM Journal, 61, C1-C14, 2020

A growth rate control problem of harmful species population and its application to algae bloom
Hidekazu Yoshioka, Yuta Yaegashi
Environment Systems and Decisions, 40, 1, 107-124, 2020

Analysis and computation of an optimality equation arising in an impulse control problem with discrete and costly observations
Hidekazu Yoshioka, Motoh Tsujimura
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 366, 112399-112399, 2020

Analysis and computation of a discrete costly observation model for growth estimation and management of biological resources
Hidekazu Yoshioka, Yumi Yoshioka, Yuta Yaegashi, Tomomi Tanaka, Masahiro Horinouchi, Futoshi Aranishi
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 79, 4, 1072-1093, 2020

Stochastic control of single-species population dynamics model subject to jump ambiguity
Hidekazu Yoshioka, Motoh Tsujimura
JOURNAL OF BIOLOGICAL DYNAMICS, 14, 1, 696-729, 2020

Finite volume computation for the non-stationary probability density function of an impulsively controlled 1-D diffusion process
Yuta Yaegashi, Hidekazu Yoshioka, Motoh Tsujimura, Masayuki Fujihara
Journal of Advanced Simulation in Science and Engineering, 7, 2, 262-278, 2020

A simple stochastic process model for river environmental assessment under uncertainty
Hidekazu Yoshioka, Motoh Tsujimura, Kunihiko Hamagami, Yumi Yoshioka
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 12143 LNCS, 494-507, 2020

An application of the automatic domain updating to the Tonle Sap Lake, Cambodia
Tomohiro Tanaka, Hidekazu Yoshioka
Hydrological Research Letters, 14, 2, 68-74, 2020

An exact viscosity solution to a Hamilton–Jacobi–Bellman quasi-variational inequality for animal population management
Yuta Yaegashi, Hidekazu Yoshioka, Kentaro Tsugihashi, Masayuki Fujihara
Journal of Mathematics in Industry, 9, 1, -, 2019

費用対効果が高い観測時期と作業量を決定するための河川環境管理モデリング
吉岡秀和, 辻村元男, 八重樫優太, 藤原正幸
リアルオプション研究, 11, 0, 25-37, 2019

A stochastic differential game approach toward animal migration
Hidekazu Yoshioka
Theory in Biosciences, 138, 2, 277-303, 2019

An optimal switching approach toward cost-effective control of a stand-alone photovoltaic panel system under stochastic environment
Hidekazu Yoshioka, Zhi Li, Akira Yano
APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, 35, 6, 1366-1389, 2019

A primitive model for stochastic regular-impulse population control and its application to ecological problems
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kunihiko Hamagami, Masayuki Fujihara
Advanced Control for Applications: Engineering and Industrial Systems, 1, 1, e16-e16, 2019

Modeling stochastic operation of reservoir under ambiguity with an emphasis on river management
Hidekazu Yoshioka, Yumi Yoshioka
OPTIMAL CONTROL APPLICATIONS & METHODS, 40, 4, 764-790, 2019

Optimal harvesting policy of an inland fishery resource under incomplete information
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kentaro Tsugihashi
APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, 35, 4, 939-962, 2019

Hamilton–Jacobi–Bellman Quasi-Variational Inequality arising in an environmental problem and its numerical discretization
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kunihiko Hamagami
Computers & Mathematics with Applications, 77, 8, 2182-2206, 2019

Analysis and computation of probability density functions for a 1-D impulsively controlled diffusion process
Yuta Yaegashi, Hidekazu Yoshioka, Kentaro Tsugihashi, Masayuki Fujihara
Comptes Rendus Mathematique, 357, 3, 306-315, 2019

A Mixed Optimal Control Approach for Upstream Fish Migration
Hidekazu Yoshioka, Tomoyuki Shirai, Daisuke Tagami
JOURNAL OF SUSTAINABLE DEVELOPMENT OF ENERGY WATER AND ENVIRONMENT SYSTEMS-JSDEWES, 7, 1, 101-121, 2019

A finite difference scheme for variational inequalities arising in stochastic control problems with several singular control variables
Hidekazu Yoshioka, Yuta Yaegashi
MATHEMATICS AND COMPUTERS IN SIMULATION, 156, 40-66, 2019

A short note on analysis and application of a stochastic open-ended logistic growth model
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kentaro Tsugihashi
Letters in Biomathematics, 6, 1, 67-77, 2019

A consistent finite difference local inertial model for shallow water simulation
Tomohiro Tanaka, Hidekazu Yoshioka, Sokly Siev, Hideto Fujii, Sarann Ly, Chihiro Yoshimura
Hydrological Research Letters, 13, 28-33, 2019

A simplified stochastic optimization model for logistic dynamics with control-dependent carrying capacity
Hidekazu Yoshioka
JOURNAL OF BIOLOGICAL DYNAMICS, 13, 1, 148-176, 2019

Stochastic optimal switching model for migrating population dynamics
Hidekazu Yoshioka, Tomomi Tanaka, Futoshi Aranishi, Tomoki Izumi, Masayuki Fujihara
JOURNAL OF BIOLOGICAL DYNAMICS, 13, 1, 706-732, 2019

Finite Difference Computation of a Stochastic Aquaculture Problem Under Incomplete Information
Hidekazu Yoshioka, Kentaro Tsugihashi, Yuta Yaegashi
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 11386 LNCS, 638-645, 2019

Finite Difference Scheme for Stochastic Differential Games with Several Singular Control Variables and Its Environmental Application
Hidekazu Yoshioka, Yuta Yaegashi
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 11386 LNCS, 102-113, 2019

Non-renewable Fishery Resource Management Under Incomplete Information
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kentaro Tsugihashi
PROGRESS IN INDUSTRIAL MATHEMATICS AT ECMI 2018, 30, 445-451, 2019

An optimal stopping approach for onset of fish migration
Hidekazu Yoshioka, Yuta Yaegashi
THEORY IN BIOSCIENCES, 137, 2, 99-116, 2018

Stochastic differential game for management of non-renewable fishery resource under model ambiguity
Hidekazu Yoshioka, Yuta Yaegashi
JOURNAL OF BIOLOGICAL DYNAMICS, 12, 1, 817-845, 2018

An Integrated Hydrological-Hydraulic Model for Simulating Surface Water Flows of a Shallow Lake Surrounded by Large Floodplains
Tanaka Tomohiro, Yoshioka Hidekazu, Siev Sokly, Fujii Hideto, Fujihara Yoichi, Hoshikawa Keisuke, Ly Sarann, Yoshimura Chihiro
Water, 10, 9, 1213-1213, 2018

A singular stochastic control model for sustainable population management of the fish-eating waterfowl Phalacrocorax carbo
Yuta Yaegashi, Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
Journal of Environmental Management, 219, 18-27, 2018

Shading and electric performance of a prototype greenhouse blind system based on semi-transparent photovoltaic technology
Zhi Li, Akira Yano, Marco Cossu, Hidekazu Yoshioka, Ichiro Kita, Yasuomi Ibaraki
JOURNAL OF AGRICULTURAL METEOROLOGY, 74, 3, 114-122, 2018

Electrical Energy Producing Greenhouse Shading System with a Semi-Transparent Photovoltaic Blind Based on Micro-Spherical Solar Cells
Zhi Li, Akira Yano, Marco Cossu, Hidekazu Yoshioka, Ichiro Kita, Yasuomi Ibaraki
ENERGIES, 11, 7, -, 2018

Unique solvability of a singular stochastic control model for population management
Yuta Yaegashi, Hidekazu Yoshioka
Systems and Control Letters, 116, 66-70, 2018

An exactly solvable multiple stochastic optimal stopping problem
Hidekazu Yoshioka
ADVANCES IN DIFFERENCE EQUATIONS, -, 2018

Robust stochastic control modeling of dam discharge to suppress overgrowth of downstream harmful algae
Hidekazu Yoshioka, Yuta Yaegashi
APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, 34, 3, 338-354, 2018

‘Mathematical exercise’ on a solvable stochastic control model for animal migration
Hidekazu Yoshioka
ANZIAM Journal, -, 2018

Mathematical analysis for management of released fish
H. Yoshioka, Y. Yaegashi
Optimal Control Applications and Methods, 39, 2, 1141-1146, 2018

Singular stochastic control model for algae growth management in dam downstream
Hidekazu Yoshioka, Yuta Yaegashi
JOURNAL OF BIOLOGICAL DYNAMICS, 12, 1, 242-270, 2018

A Stochastic Impulse Control Model for Population Management of Fish-Eating Bird Phalacrocorax Carbo and Its Numerical Computation
Yuta Yaegashi, Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
Communications in Computer and Information Science, 946, 425-438, 2018

雨水貯留型屋上緑化における底面灌水システムの土壌水分制御可能性に関する実験的研究
張 丹, 深田 耕太郎, 吉岡 秀和, 佐藤 裕和, 谷野 章, 喜多 威知郎
Journal of rainwater catchment systems, 23, 2, 29-34, 2018

Performance Comparison of the Three Numerical Methods to Discretize the Local Inertial Equation for Stable Shallow Water Computation
Tomohiro Tanaka, Hidekazu Yoshioka, Sokly Siev, Hideto Fujii, Ly Sarann, Chihiro Yoshimura
Communications in Computer and Information Science, 451-465, 2018

Impulse and Singular Stochastic Control Approaches for Management of Fish-Eating Bird Population
Yuta Yaegashi, Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
AIRO Springer Series, 493-500, 2018

An Optimal Allocation Model to Release Fish into a River System
Yaegashi Yuta, Yoshioka Hidekazu, Unami Koichi, Fujihara Masayuki
Journal of Rainwater Catchment Systems, 24, 1, 1-8, 2018

An integrated hydrological-hydraulic model for simulating surface water dynamics in Tonle Sap Lake and its floodplain
Tanaka T, Yoshioka H, Siev S, Fujii H, Fujihara Y, Hoshikawa K, Ly S, Yoshimura C
Water, 10, 9, 1213-1213, 2018

Dynamic Decision-making Model for Stochastic Population Management with Scheduled Inspections
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kunihiko Hamagami, Masayuki Fujihara, Kentaro Tsugihashi
2018 JOINT 10TH INTERNATIONAL CONFERENCE ON SOFT COMPUTING AND INTELLIGENT SYSTEMS (SCIS) AND 19TH INTERNATIONAL SYMPOSIUM ON ADVANCED INTELLIGENT SYSTEMS (ISIS), 1283-1288, 2018

Wise-Use of Sediment for River Restoration: Numerical Approach via HJBQVI
Hidekazu Yoshioka, Yuta Yaegashi, Yumi Yoshioka, Kunihiko Hamagami, Masayuki Fujihara
METHODS AND APPLICATIONS FOR MODELING AND SIMULATION OF COMPLEX SYSTEMS, 946, 271-285, 2018

Stochastic optimization model of aquacultured fish for sale and ecological education
Hidekazu Yoshioka, Yuta Yaegashi
Journal of Mathematics in Industry, 7, 1, -, 2017

A simple game-theoretic model for upstream fish migration
Hidekazu Yoshioka
THEORY IN BIOSCIENCES, 136, 3-4, 99-111, 2017

Optimization model to start harvesting in stochastic aquaculture system
Yoshioka Hidekazu, Yaegashi Yuta
APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, 33, 5, 476-493, 2017

Optimal Installation of Overhead Lines (Tegusu) to Reduce Predation from Piscivorous Birds to Plecoglossus altivelis (Ayu) Taking into Account of Its Decaying Protection Effect
YAEGASHI Yuta, YOSHIOKA Hidekazu, UNAMI Koichi, FUJIHARA Masayuki
Journal of Rainwater Catchment Systems, 23, 1, 13‐18-18, 2017

Numerical methods to simulate moisture dynamics in fibrous sheet
Hidekazu Yoshioka, Kotaro Fukada, Ichiro Kita
JOURNAL OF MATHEMATICS IN INDUSTRY, 7, 1, -, 2017

An optimal management strategy for stochastic population dynamics of released Plecoglossus altivelis in rivers
Yuta Yaegashi, Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
International Journal of Modeling, Simulation, and Scientific Computing, 8, 2, -, 2017

1次元局所慣性方程式に対する摩擦項を考慮した数値安定性解析
田中 智大, 吉岡 秀和, 木村 匡臣, 山崎 大
水工学論文集 Annual journal of Hydraulic Engineering, JSCE, 73, 4, I_577-I_582, 2017

地表水流れの数値解析技術に関する分野横断的視点から見た特徴と最前線
木村 匡臣, 田中 智大, 安瀬地 一作, 中谷 加奈, 山崎 大, 吉岡 秀和
水文・水資源学会誌, 30, 5, 307-334, 2017

ダム直下における付着藻類の繁茂を抑制する流量管理方針のモデリング
吉岡秀和, 八重樫優太, 八重樫優太
河川技術論文集, 23, 561‐566-, 2017

Robust optimal model for sustainable joint production of green tea and paddy rice in Japanese agricultural watersheds
Goden Mabaya, Koichi Unami, Junichiro Takeuchi, Masayuki Fujihara, Hidekazu Yoshioka
International Journal of Innovation and Sustainable Development, 11, 1, 69-84, 2017

Numerical stability analysis of the local inertial equation with semi- and fully implicit friction term treatments: assessment of the maximum allowable time step
Tanaka Tomohoiro, Yoshioka Hidekazu
JOURNAL OF ADVANCED SIMULATION IN SCIENCE AND ENGINEERING, 4, 2, 162-175, 2017

Mathematical analysis and validation of an exactly solvable model for upstream migration of fish schools in one-dimensional rivers
Hidekazu Yoshioka
MATHEMATICAL BIOSCIENCES, 281, 139-148, 2016

Finding the optimal opening time of harvesting farmed fishery resources
Yoshioka Hidekazu, Yaegashi Yuta
PACIFIC JOURNAL OF MATHEMATICS FOR INDUSTRY, 8, -, 2016

Optimal Strategies for Harvesting and Predator Extermination to Sustain Plecoglossus altivelis (Ayu) Population in Stochastic River Environment
YAEGASHI Yuta, YOSHIOKA Hidekazu, UNAMI Koichi, FUJIHARA Masayuki
Journal of Rainwater Catchment Systems, 22, 1, 7‐13-13, 2016

Robust optimal diversion of agricultural drainage water from tea plantations to paddy fields during rice growing seasons and non-rice growing seasons
Goden Mabaya, Koichi Unami, Hidekazu Yoshioka, Junichiro Takeuchi, Masayuki Fujihara
PADDY AND WATER ENVIRONMENT, 14, 1, 247-258, 2016

斐伊川中流域における内水面漁業の現状とその展望
吉岡 秀和, 吉井 傅, 八重樫 優太
島根大学生物資源科学部研究報告 = Bulletin of the Faculty of Life and Environmental Science, Shimane University, 21, 23-28, 2016

A Regularized Finite Volume Numerical Method for the Extended Porous Medium Equation Relevant to Moisture Dynamics with Evaporation in Non-woven Fibrous Sheets
Hidekazu Yoshioka, Dimetre Triadis
MODEL DESIGN AND SIMULATION ANALYSIS, 603, 3-16, 2016

Numerical Simulation of a Hamilton-Jacobi-Bellman Equation for Optimal Management Strategy of Released Plecoglossus Altivelis in River Systems
Yuta Yaegashi, Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
MODEL DESIGN AND SIMULATION ANALYSIS, 603, 91-101, 2016

Application of Stochastic Control Theory to Biophysics of Fish Migration Around a Weir Equipped with Fishways
Hidekazu Yoshioka, Yuta Yaegashi, Koichi Unami, Masayuki Fujihara
THEORY, METHODOLOGY, TOOLS AND APPLICATIONS FOR MODELING AND SIMULATION OF COMPLEX SYSTEMS, PT III, 645, 190-200, 2016

IDENTIFYING THE COST FUNCTION FOR UPSTREAM MIGRATION OF INDIVIDUAL FISHES IN 1-D OPEN CHANNELS BASED ON AN OPTIMAL CONTROL THEORY
YOSHIOKA Hidekazu, YAEGASHI Yuta, UNAMI Koichi, FUJIHARA Masayuki
土木学会論文集B1（水工学）, 72, 4, I_1147-I_1152, 2016

A regime-switching diffusion process model for advection-dispersion phenomena in open channels with aquatic vegetation
Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
Theoretical and Applied Mechanics Japan, 63, 117-126, 2015

On Dual-Finite Volume Methods for Extended Porous Medium Equations
Hidekazu Yoshioka
CoRR, abs/1507.05281, -, 2015

A dual finite volume method scheme for catastrophic flash floods in channel networks
Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
APPLIED MATHEMATICAL MODELLING, 39, 1, 205-229, 2015

地表水体に生じる輸送現象 : 数理,数値,応用の観点から
吉岡 秀和
島根大学生物資源科学部研究報告 = Bulletin of the Faculty of Life and Environmental Science, Shimane University, 20, 21-27, 2015

1次元非有界領域におけるコルモゴロフ前進方程式に対する適応有限体積スキーム
八重樫 優太, 吉岡 秀和, 宇波 耕一, 藤原 正幸
土木学会論文集A2（応用力学）, 71, 2, I_223-I_234, 2015

A Petrov-Galerkin Finite Element Scheme for 1-D Time-independent Hamilton-Jacobi-Bellman Equations
吉岡秀和, 宇波耕一, 藤原正幸
土木学会論文集 A2(応用力学)(Web), 71, 2, I.149-I.160 (J-STAGE)-I_160, 2015

Numerical comparison of shallow water models in multiply connected open channel networks
Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
JOURNAL OF ADVANCED SIMULATION IN SCIENCE AND ENGINEERING, 2, 2, 271-291, 2015

An Extended Mathematical Model for Shallow Water Flows in Vegetated Open Channels
YOSHIOKA Hidekazu, WAKAZONO Ayaka, KINJO Nobuhiko, UNAMI Koichi, FUJIHARA Masayuki
J Rainwater Catchment Syst, 20, 1, 29-35, 2014

Temporal Discretization Algorithms for the Continuity Equation of the One-dimensional Shallow Water Model
YOSHIOKA Hidekazu, UNAMI Koichi, FUJIHARA Masayuki
J Rainwater Catchment Syst, 20, 1, 11-18, 2014

A finite element/volume method model of the depth-averaged horizontally 2D shallow water equations
Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 75, 1, 23-41, 2014

Application of Two Shallow Water Models to Steady Flow Analysis in a Vegetated Agricultural Drainage Canal
YOSHIOKA Hidekazu, KINJO Nobuhiko, WAKAZONO Ayaka, UNAMI Koichi, FUJIHARA Masayuki
J Rainwater Catchment Syst, 19, 2, 35-41, 2014

Internal Boundary Conditions for Solute Transport Equations in Locally One-dimensional Open Channel Networks
YOSHIOKA Hidekazu, UNAMI Koichi, FUJIHARA Masayuki
J Rainwater Catchment Syst, 19, 2, 1-9, 2014

Comparative Numerical Analysis on Momentum Flux Evaluation Schemes for Shallow Water Flows in Open Channel Networks
YOSHIOKA Hidekazu, UNAMI Koichi, FUJIHARA Masayuki
J Rainwater Catchment Syst, 19, 2, 25-33, 2014

FRICTION SLOPE FORMULAE FOR THE TWO-DIMENSIONAL SHALLOW WATER MODEL
吉岡 秀和, 宇波 耕一, 藤原 正幸
土木学会論文集B1（水工学）, 70, 4, I_55-I_60, 2014

A simple finite volume model for dam break problems in multiply connected open channel networks with general cross-sections
Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
Theoretical and Applied Mechanics Japan, 62, 131-140, 2014

1-D Shallow Water Models for Dam Break Flash Floods with Different Junction and Bend Treatments
Hidekazu Yoshioka, Koichi Unami, Masayuki Fujihara
ASIASIM 2014, 474, 201-215, 2014

Mathematical Analysis on a Conforming Finite Element Scheme for Advection-Dispersion-Decay Equations on Connected Graphs
YOSHIOKA Hidekazu, UNAMI Koichi, FUJIHARA Masayuki
土木学会論文集A2（応用力学）, 70, 2, I_265-I_276, 2014

連結グラフ上での非保存型移流拡散方程式に対する適合有限要素法
吉岡秀和, 金城信彦, 宇波耕一, 藤原正幸
土木学会論文集 A2(応用力学)(Web), 69, 2, I.59-I.70 (J-STAGE)-, 2013

一般断面を有する多重連結型開水路網に生じるダム崩壊問題に対する双対格子に基づいた有限体積モデル
吉岡秀和, 宇波耕一, 藤原正幸
第62回理論応用力学講演会，OS19-09, -, 2013

A cell-vertex finite volume scheme for solute transport equations in open channel networks
Hidekazu Yoshioka, Koichi Unami
Probabilistic Engineering Mechanics, 31, 30-38, 2013

Application of a Conforming Petrov-Galerkin Finite Element Scheme to Analysis of Longitudinal Dispersion Phenomena in Open Channel Networks
Hidekazu Yoshioka, Nobuhiko Kinjo, Koichi Unami, Masayuki Fujihara
PROCEEDINGS OF THE 35TH IAHR WORLD CONGRESS, VOLS I AND II, 1722-1733, 2013

Stochastic process model for solute transport and the associated transport equation
Hidekazu Yoshioka, Koichi Unami, Toshihiko Kawachi
APPLIED MATHEMATICAL MODELLING, 36, 4, 1796-1805, 2012

低レイノルズ数型k－ε乱流モデルを用いた吹送流の三次元数値解析
吉岡 秀和, 濱上 邦彦, 森 健, 平井 康丸
九州大学大学院農学研究院学芸雑誌, 65, 1, 1-11, 2010