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Unconditionally positivity-preserving explicit Euler-type schemes for a generalized Ait-Sahalia model

Autor: Liu, Ruishu, Cao, Yulin, Wang, Xiaojie

Publikováno v: Numerical Algorithms, 2024

The present work is devoted to strong approximations of a generalized A\"{i}t-Sahalia model arising from mathematical finance. The numerical study of the considered model faces essential difficulties caused by a drift that blows up at the origin, hig

Externí odkaz: http://arxiv.org/abs/2401.02596

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Akademický článek

Research on Prediction Method of Corrosion Rate of Gas Wells with Same Pressure of Tubing and Casing in Bohai Oilfield

Autor: HE Pengfei, SONG Zhichao, WAN Xiang, XU Tong, CAO Yulin

Publikováno v: Cailiao Baohu, Vol 56, Iss 9, Pp 177-181 (2023)

At the beginning of the 21st century，a large number of oil and gas wells were put into operation in Bohai E oilfield.With the production of the oilfield entering the middle and late stage，the phenomenon of annulus pressure is common in gas wells�

Externí odkaz: https://doaj.org/article/db323658fc994e19ab7f1002a9342c21

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