Ralf Östermark - Publications, H-index & Citations

Ralf Östermark

Abo Akademi University

18H指数

125论文数

1.1K被引数

收录论文 9

发表时间

Optimization of SiO2 with GHA and basin hopping

COMPUTATIONAL MATERIALS SCIENCE

IF3.3

2022-07-01

PREAI

Lahti, Antti; Ostermark, Ralf; Kokko, Kalevi

Copula-based Black-Litterman portfolio optimization 基于Copula的black-litterman投资组合优化

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH

IF6

2022-03-01

OAAI

Sahamkhadam, Maziar; Stephan, Andreas; Ostermark, Ralf

Positive IVOL-MAX effect: A study on the Singapore Stock Market

NORTH AMERICAN JOURNAL OF ECONOMICS AND FINANCE

IF3.9

2020-11-01

OAAI

Ali, Syed Riaz Mahmood; Rahman, M. Arifur; Hasan, Mohammad Nurul; Ostermark, Ralf

Portfolio optimization based on GARCH-EVT-Copula forecasting models

INTERNATIONAL JOURNAL OF FORECASTING

IF7.1

2018-07-01

PREAI

Sahamkhadam, Maziar; Stephan, Andreas; Ostermark, Ralf

A fuzzy linear basis algorithm for nonlinear separable programming problems 非线性可分离规划问题的模糊线性基算法

FUZZY SETS AND SYSTEMS

IF2.7

2001-04-01

PREAI

Wang, PZ; Östermark, R; Alex, R; Tan, SH

Using fuzzy bases to resolve nonlinear programming problems

FUZZY SETS AND SYSTEMS

IF2.7

2001-01-01

PREAI

Wang, PZ; Östermark, R; Alex, R; Tan, SH

A nonlinear mixed integer multiperiod firm model

INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS

IF10

2000-09-01

PREAI

Östermark, R; Skrifvars, H; Westerlund, T

VARMAX-modelling of blast furnace process variables

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH

IF6

1996-04-01

PREAI

Ostermark, R; Saxen, H

State realization with exogenous variables - A test on blast furnace data

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH

IF6

1996-02-01

PREAI

Saxen, H; Ostermark, R

研究方向