Results 141 to 150 of about 5,443 (259)

Introduction to Martingales

open access: yes
This paper introduces Martingales by covering introductory measure theory concepts and the Lebesgue Integration and Conditional Expectation. It follows up with proofs of Kolomorgov\u27s Theorem on conditional expectations, the Martingale Property, and ...
Shah, Rohan
core   +1 more source

On the fixed‐point proportion of self‐similar groups

open access: yesBulletin of the London Mathematical Society, Volume 58, Issue 7, July 2026.
Abstract We prove that super strongly fractal groups acting on regular rooted trees have null fixed‐point proportion. In particular, we show that the fixed‐point proportion of an infinite family of iterated monodromy groups of exceptional complex polynomials has the same property.
Jorge Fariña‐Asategui, Santiago Radi
wiley   +1 more source

Cumulative exposure to tacrolimus is associated with increased risk of malignancy for solid organ transplant recipients

open access: yesInternational Journal of Cancer, Volume 158, Issue 12, Page 3152-3160, 15 June 2026.
What's new? Long‐term immunosuppression in solid organ transplant recipients (SOTRs) is linked to increased cancer risk. Although this risk potentially increases with greater immunosuppressant exposure, the exact dose‐response pattern remains uncertain.
Sergio A. Acuna   +10 more
wiley   +1 more source

Conic Martingales

open access: yes, 2014
Mathematical finance extensively relies on martingales. In some cases, they need to meet constraints. For instance, they can be required to evolve in a compact set; discounted zero-coupon bond prices are risk-neutral martingales in $[0,1]$ if interest ...
Vrins, Frédéric   +1 more
core  

M-Convergence, et régularité des martingales multivoques: Epi-martingales

open access: yes
In this work, the fundamental convergence theorems for multivalued martingales are established in Mosco's sense. The notion of epi-martingale is introduced.esperance conditionnelle martingale parties decomposables epi-martingales Mosco-convergence ...
Choukairi-Dini, Ahmed
core  

Planar semi-martingales

open access: yes
The concept of a semi-martingale is extended to processes with index set in the plane. The definitions of planar semi-martingales are similar to those of two parameter bounded variation.
Brennan, Michael D.
core  

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