The Age-Dependent Process: Markov Case

Author(s):  
Marek Kimmel ◽  
David E. Axelrod
2021 ◽  
pp. 48-50
Author(s):  
Eva Shukla ◽  
Shruthi Nagaraja

Pulp stones are seen to be a fairly common nding in most routine radiographs but they have been given relatively less attention in research as well as textbooks. New investigations have been done in abundance when it comes to their prevalence as well as etiological factors. Despite numerous studies, their formation still remains a riddle for endodontists and researchers alike. Historical perspective of pulp stones being an age dependent process are now being questioned as more studies report their prevalence in young population. This review article evaluates the recent studies pertaining to pulpal calcications where newer etiological factors as well as molecular factors have been highlighted in their formation. Their signicance has been largely studied correlating their occurrence with various other systemic calcications.


2009 ◽  
Vol 88 (5) ◽  
pp. 966-973 ◽  
Author(s):  
Anastasia Korlimbinis ◽  
Yoke Berry ◽  
Danielle Thibault ◽  
Kevin L. Schey ◽  
Roger J.W. Truscott

1974 ◽  
Vol 6 (03) ◽  
pp. 434-445 ◽  
Author(s):  
Peter Ney

This paper develops a comparison method for critical branching processes. The method is applied to prove the exponential limit law for the multi-type age-dependent process under second moment conditions.


2007 ◽  
Vol 255 (1-2) ◽  
pp. 35-41 ◽  
Author(s):  
Marcus Koch ◽  
Jop Mostert ◽  
Dorothea Heersema ◽  
Jacques De Keyser

1955 ◽  
Vol 101 (5) ◽  
pp. 451-459 ◽  
Author(s):  
J. A. Bush ◽  
N. I. Berlin ◽  
W. N. Jensen ◽  
A. B. Brill ◽  
G. E. Cartwright ◽  
...  

Red blood cell survival studies were performed on five normal growing swine by following the C14-specific activity of hemoglobin and heme after the administration of glycine-2-C14. The erythrocytes of normal growing swine appear to be destroyed both by a random and an age-dependent process. Random destruction accounts for the larger portion of the cells which are destroyed. The "mean" red cell survival time was 62 days. This represents the interval from the time of incorporation of 50 per cent of the maximal amount of labelling achieved to the time when the level had decreased once more to the 50 per cent amount. The " ‘corrected’ average potential life span" of the red cells was 86 ± 11.5 days. This figure was obtained by subtracting the number of days required to attain 80 per cent of the maximal labelling from the average survival time of red cells destroyed by an age-dependent process as distinguished from random destruction.


1974 ◽  
Vol 6 (3) ◽  
pp. 434-445 ◽  
Author(s):  
Peter Ney

This paper develops a comparison method for critical branching processes. The method is applied to prove the exponential limit law for the multi-type age-dependent process under second moment conditions.


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