Ushio Sumita

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Person:631489

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zbMath Open sumita.ushioMaRDI QIDQ631489

List of research outcomes

PublicationDate of PublicationType
Development of computational algorithms for pricing European bond options under the influence of macro-economic conditions2016-01-04Paper
EVALUATION OF CUMULATIVE RANDOM SHOCKS GENERATED FROM A SEMI-MARKOV MODULATED POISSON PROCESS AND ITS APPLICATION TO CDO PRICING2014-01-03Paper
Pricing collateralized debt obligations with Markov-modulated Poisson processes2013-12-13Paper
DYNAMIC ANALYSIS OF A MULTIVARIATE REWARD PROCESS DEFINED ON THE UMCP WITH APPLICATION TO OPTIMAL PREVENTIVE MAINTENANCE POLICY PROBLEMS IN MANUFACTURING2013-08-22Paper
ANALYSIS OF BRAND CHARACTERISTICS OF MUSIC ARTISTS IN THE POP CD MARKET : CASE OF JAPAN2012-01-05Paper
Credit risk model with contagious default dependencies affected by macro-economic condition2011-08-10Paper
Numerical evaluation of dynamic behavior of Ornstein-Uhlenbeck processes modified by various boundaries and its application to pricing barrier options2011-03-14Paper
CORRELATED MULTIVARIATE SHOCK MODELS ASSOCIATED WITH A RENEWAL SEQUENCE AND ITS APPLICATION TO ANALYSIS OF BROWSING BEHAVIOR OF INTERNET USERS2011-03-09Paper
DANGER OF EXCLUSIVE RELIANCE ON ERGODIC ANALYSIS FOR A CLASS OF PREVENTIVE MAINTENANCE POLICIES2010-07-28Paper
Development of computational algorithms for evaluating option prices associated with square-root volatility processes2009-12-02Paper
DYNAMIC ANALYSIS OF A REWARD PROCESS DEFINED ON A CYCLIC RENEWAL PROCESS WITH APPLICATIONS TO PREVENTIVE MAINTENANCE PROBLEMS2009-11-30Paper
Dynamic analysis of a unified multivariate counting process and its asymptotic behavior2009-11-10Paper
Optimal threshold analysis of segmentation methods for identifying target customers2007-11-23Paper
NUMERICAL EXPLORATION OF DYNAMIC BEHAVIOR OF ORNSTEIN-UHLENBECK PROCESSES VIA EHRENFEST PROCESS APPROXIMATION(<Special Issue>Advanced Planning and Scheduling for Supply Chain Management)2007-10-30Paper
Dynamic Performance Evaluation of Communication/Computer Systems with Highly Reliable Components2007-01-19Paper
A New Algorithm for Computing the Ergodic Probability Vector for Large Markov Chains2007-01-19Paper
STOCHASTIC ANALYSIS OF NUMBER OF CORPORATIONS IN A MARKET DERIVED FROM STRATEGIC POLICIES OF INDIVIDUAL CORPORATIONS FOR MARKET ENTRY AND RETREAT2006-07-14Paper
Stochastic models for performance analysis of database recovery control2003-10-15Paper
Optimal repair of degrading computers under asymmetric information and incentive incompati\-bility.2003-09-07Paper
ON A GENERALIZED M/G/1 QUEUE WITH SERVICE DEGRADATION/ENFORCEMENT2002-07-11Paper
https://portal.mardi4nfdi.de/entity/Q45381282002-07-11Paper
https://portal.mardi4nfdi.de/entity/Q49450352001-06-13Paper
Optimal internal pricing and capacity planning for service facility with finite buffer2001-01-25Paper
https://portal.mardi4nfdi.de/entity/Q49450182000-11-12Paper
https://portal.mardi4nfdi.de/entity/Q44963372000-08-13Paper
Optimal allocation and backup of computer resources under asymmetric information and incentive incompatibility1999-02-22Paper
Tandem queues with bulk arrivals, infinitely many servers and correlated service times1998-01-07Paper
NECESSARY AND SUFFICIENT CONDITIONS FOR GLOBAL GEOMETRIC CONVERGENCE OF BLOCK GAUSS-SEIDEL ITERATION ALGORITHM APPLIED TO MARKOV CHAINS1997-11-18Paper
Analysis of Markov renewal shock models1996-03-12Paper
A Closed Queueing Network Model to Evaluate the Impact of Recovery Operations on the Performance of Database Servers1996-03-07Paper
Aspects of Lagrangian probability distributions1995-01-29Paper
https://portal.mardi4nfdi.de/entity/Q31384151994-03-14Paper
Structural properties of optimal tool replacement policy in a machining center1993-01-16Paper
Analysis of multivariate Markov modulated Poisson processes1993-01-16Paper
THEORY AND ALGORITHMS OF THE LAGUERRE TRANSFORM, PART II: ALGORITHM1993-01-16Paper
Numerical analysis of gracefully degrading fault-tolerant computer systems: Semi-Markov and Laguerre transform approach1992-06-28Paper
https://portal.mardi4nfdi.de/entity/Q39766731992-06-26Paper
A multivariate reward process defined on a semi-Markov process and its first-passage-time distributions1992-06-25Paper
Replacement process decomposition for discounted Markov renewal programming1991-01-01Paper
APPLICATION OF THE REPLACEMENT PROCESS APPROACH FOR COMPUTING THE ERGODIC PROBABILITY VECTOR OF LARGE SCALE ROW-CONTINUOUS MARKOV CHAINS1990-01-01Paper
Analysis of effective service time with age dependent interruptions and its application to optimal rollback policy for database management1989-01-01Paper
A statistical approach for determining release time of software system with modular structure1989-01-01Paper
THE LAGUERRE TRANSFORM OF PRODUCT OF FUNCTIONS1989-01-01Paper
Modified Lindley process with replacement: dynamic behavior, asymptotic decomposition and applications1989-01-01Paper
Lumpability and time reversibility in the aggregation-disaggregation method for large markov chains1989-01-01Paper
Renewal characterization of Markov modulated Poisson processes1989-01-01Paper
Analysis of channel and disk subsystems in computer systems1988-01-01Paper
THEORY AND ALGORITHMS OF THE LAGUERRE TRANSFORM, PART I:THEORY1988-01-01Paper
Analysis of query processing in distributed database systems with fully replicated files: A hierarchical approach1988-01-01Paper
Approximations for the time spent in a dynamic job shop with applications to due-date assignment1988-01-01Paper
An age-dependent counting process generated from a renewal process1988-01-01Paper
https://portal.mardi4nfdi.de/entity/Q38151141988-01-01Paper
First passage times and lumpability of semi-Markov processes1988-01-01Paper
On limiting behavior of ordinary and conditional first-passage times for a class of birth-death processes1987-01-01Paper
ROW-CONTINUOUS FINITE MARKOV CHAINS : STRUCTURE AND ALGORITHMS1987-01-01Paper
Classes of probability density functions having Laplace transforms with negative zeros and poles1987-01-01Paper
Convex ordering of sojourn times in single-server queues: extremal properties of FIFO and LIFO service disciplines1987-01-01Paper
Analysis of a counting process associated with a semi-Markov process: number of entries into a subset of state space1987-01-01Paper
An alternative approach to the analysis of finite semi-markov and related processes1987-01-01Paper
A general Laguerre transform and a related distance between probability measures1986-01-01Paper
A useful generalization of renewal theory: counting processes governed by non-negative Markovian increments1986-01-01Paper
Evaluation of minimum and maximum of a correlated pair of random variables via the bivariate laguerre transform1986-01-01Paper
A general software availability/reliability model: numerical exploration via the matrix laguerre transform1986-01-01Paper
ON G/G/1 QUEUES WITH LIFO-P SERVICE DISCIPLINE1986-01-01Paper
On first passage time structure of random walks1985-01-01Paper
A class of correlated cumulative shock models1985-01-01Paper
The bivariate Laguerre transform and its applications: numerical exploration of bivariate processes1985-01-01Paper
On the busy-period distributions of M/G/1/K queues by state-dependent arrivals and FCFS/LCFS-P service disciplines1985-01-01Paper
A central limit theorem for random sums of random variables1984-01-01Paper
The matrix Laguerre transform1984-01-01Paper
On conditional passage time structure of birth-death processes1984-01-01Paper
Distribution properties of the system failure time in a general shock model1984-01-01Paper
The Laguerre Transform and a Family of Functions with Nonnegative Laguerre Coefficients1984-01-01Paper
A decomposition of the beta distribution, related order and asymptotic behavior1983-01-01Paper
General shock models associated with correlated renewal sequences1983-01-01Paper
The depletion time for M/G/1 systems and a related limit theorem1983-01-01Paper
Extrapolation of the mean lifetime of a large population from its preliminary survival history1983-01-01Paper
Evaluation of the total time in system in a preempt/resume priority queue via a modified Lindley process1983-01-01Paper
Significance points for some tests of uniformity on the sphere1983-01-01Paper
On sums of independent logistic and folded logistic variants1983-01-01Paper
Uniform stochastic ordering and related inequalities1982-01-01Paper
The bilateral Laguerre transform1981-01-01Paper

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