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Autor:
Piasecki, Krzysztof, Matczak, Patryk, Taszarek, Mateusz, Czernecki, Bartosz, Skop, Filip, Sobisiak, Adrian
Publikováno v:
In Atmospheric Research 1 September 2023 292
Autor:
Matulewicz, Tomasz1, Piasecki, Krzysztof1
Publikováno v:
Acta Physica Polonica B. 2023, Vol. 54 Issue 12, p1-13. 13p.
At the first, we revise the Kosinski definition of the sum of ordered fuzzy numbers. The associativity of revised sum is investigated here. In addition, we show that the multiple revised sum of finite sequence of trapezoidal ordered fuzzy numbers dep
Externí odkaz:
http://arxiv.org/abs/1710.03541
Autor:
Piasecki Krzysztof, Żmudzka Elwira
Publikováno v:
Miscellanea Geographica: Regional Studies on Development, Vol 26, Iss 1, Pp 63-74 (2022)
The main objective of this research was to determine the synoptic and thermodynamic conditions accompanying the development of two severe thunderstorms that caused significant damage in Warsaw. The storm events of 17 June and 4 September 2016 were an
Externí odkaz:
https://doaj.org/article/8a2b56e070d14b6cbfe72ecc1119de26
Autor:
Matulewicz, Tomasz1 tomek.matulewicz@cern.ch, Piasecki, Krzysztof1
Publikováno v:
EPJ Web of Conferences. 3/1/2023, Vol. 276, p1-4. 4p.
The main objective is to present a some variant of the Black - Litterman model. We consider the canonical case when priori return is determined by means such excess return from the CAPM market portfolio which is derived using reverse optimization met
Externí odkaz:
http://arxiv.org/abs/1601.00354
Autor:
Piasecki, Krzysztof
The future value of a security is described as a random variable. Distribution of this random variable is the formal image of risk uncertainty. On the other side, any present value is defined as a value equivalent to the given future value. This equi
Externí odkaz:
http://arxiv.org/abs/1302.0538
Autor:
Piasecki, Krzysztof
Publikováno v:
Operations Research and Decisions 22(3), 2012, pp 37-53
The main goal of this paper is presentation a modern axiomatic approach to financial arithmetic. At the first, the axiomatic financial arithmetic theory was proposed by Peccati who has introduced the axiomatic definition of the future value. This the
Externí odkaz:
http://arxiv.org/abs/1302.0537
Autor:
Piasecki, Krzysztof
Publikováno v:
SSRN Electronic Journal 2011
Impact of chosen behavioural factors on imprecision of present value is discussed here. The formal model of behavioural present value is offered as a result of this discussion. Behavioural present value is described here by fuzzy set. These considera
Externí odkaz:
http://arxiv.org/abs/1302.0539