52 citations · 469 across the 43 of their papers we have counts for
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cond-mat2003★ 8 cited
Arbitrage risk induced by transaction costs
E. W. Piotrowski, J. Sladkowski
We discuss the time evolution of quotation of stocks and commodities and show that they form an Ising chain. We show that transaction costs induce arbitrage risk that usually is ne…
cond-mat2002★ 29 cited
Quantum diffusion of prices and profits
E. W. Piotrowski, J. Sladkowski
We discuss the time evolution of quotations of stocks and commodities and show that corrections to the orthodox Bachelier model inspired by quantum mechanical time evolution of par…
cond-mat2001★ 12 cited
The Merchandising Mathematician Model
E. W. Piotrowski, J. Sladkowski
A simple model of a buying-selling cycle is proposed. The model comprises two moves: a rational buying and a random selling. The notion of a profit intensity is introduced. Supply…