Peter Jagers

Professor at Chalmers, Mathematical Sciences, Applied Mathematics and Statistics

Peter Jagers's research embraces population dynamics, point processes, and statistical inference, with an emphasis on the first. Presently he works on populations where reproduction tends to be large in small populations, but small in those large, and on populations where mutations may introduce fitter individuals and coexisting morphs. Another theme of his is the time and path to extinction of endangered populations.PJ is a fellow of the Royal Swedish Academy of Sciences, the Royal Gothenburg Society, and various international societies. He holds an honorary doctorate with the Bulgarian Academy of Science.

Source: chalmers.se

Projects

2016–2016

Towards Sexual Reproduction in General Stochastic Population Models

Peter Jagers Applied Mathematics and Statistics
The Royal Swedish Academy of Science

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Publications

2017

What can be observed in real time PCR and when does it show?

Peter Jagers, Fima C. Klebaner, Pavel Chigansky
Journal of Mathematical Biology
Journal article
2016

On the establishment, persistence, and inevitable extinction of populations

K. Hamza, Peter Jagers, Peter Jagers
Journal of Mathematical Biology. Vol. 72 (4), p. 797-820
Journal article
2016

From Size to Age and Type Structure Dependent Branching: A First Step to Sexual Reproduction in General Population Processes

Peter Jagers, Fima C. Klebaner
Lecture Notes in Statistics: Branching Processes and Their Applications, Workshop on Branching Processes and their Applications, WBPA 2015, Badajoz, Spain, 7-10 April 2015. Vol. 219, p. 137-148
Chapter in monograph, book - peer reviewed
2016

Foreword

K. B. Athreya, Peter Jagers
Lecture Notes in Statistics: Branching Processes and Their Applications. Vol. 219, p. v-vi
Magazine article
2015

Population Dynamics: Probabilistic Extinction, Stability, and Explosion Theorems.

Peter Jagers
International Encyclopedia of the Social & Behavioral Sciences, 2nd edition, Vol. 18, p. 579-580
Chapter in monograph, book - peer reviewed
2015

On the Complete Life Career of Populations in Environments with a Finite Carrying Capacity

Peter Jagers
Pliska Studia Mathematica. Vol. 24, p. 55-60
Journal article
2014

Tillväxt eller utdöende - ett matematiskt mönster i biologi och samhälle

Peter Jagers
Journal of Logic and Computation, p. 75-85
Magazine article
2014

Matematisk Statistik

Peter Jagers
Personliga tillbakablickar över ämnesområden vid Göteborgs universitet. Del 2, p. 9-14
Chapter in monograph, book - popular science
2013

Dependence and interaction in branching processes

Peter Jagers, Fima C. Klebaner
Springer Proceedings in Mathematics and Statistics. Vol. 33, p. 325-333
Paper in proceedings
2013

The age structure of population-dependent general branching processes in environments with a high carrying capacity

K. Hamza, Peter Jagers, Peter Jagers
Proceedings of the Steklov Institute of Mathematics. Vol. 282 (1), p. 90-105
Journal article
2013

Evolutionary branching in a stochastic population model with discrete mutational steps

Serik Sagitov, Bernhard Mehlig, Peter Jagers et al
Theoretical Population Biology. Vol. 83 (1), p. 145-154
Journal article
2012

A Decomposable Branching Process in a Markovian Environment

V.A. Vatutin, E. Dyakonova, Peter Jagers et al
International Journal of Stochastic Analysis (Article ID 694285)
Journal article
2011

Extinction, Persistence, and Evolution

Peter Jagers
Mathematics of Darwin's Legacy, Ed. by: Chalub, FACC; Rodrigues, JF; (Book Series: Mathematics and Biosciences in Interaction); (Conference on Mathematics of Darwin's Legacy, Univ Lisbon, Lisbon, PORTUGAL, NOV 23-24, 2009), p. 91-104
Paper in proceedings
2011

Population-size-dependent, age-structured branching processes linger around their carrying capacity

Peter Jagers, Fima C. Klebaner
Journal of Applied Probability. Vol. 48A, p. 249-260
Journal article
2011

Stochasticity in the adaptive dynamics of evolution: the bare bones

Peter Jagers, Serik Sagitov, Fima C. Klebaner et al
Journal of Biological Dynamics. Vol. 5 (2), p. 147-162
Journal article
2011

Extinction, persistence, and evolution.

Peter Jagers
The Mathematics of Darwin's Legacy. (F. Chalub and J. F. Rodrigues, eds.), 91-104. Birkhauser, Basel (2011), p. 91-104
Chapter in monograph, book - peer reviewed
2010

A plea for stochastic population dynamics.

Peter Jagers
Journal of Mathematical Biology. Vol. 60, p. 761-764
Journal article
2010

Coalescent approximation for structured populations in a stationary random environment

Serik Sagitov, Peter Jagers, V.A. Vatutin
Theoretical Population Biology. Vol. 78 (3), p. 192-199
Journal article
2010

Nuclear Energy

Karl Grandin, Peter Jagers, Sven Kullander
Ambio. Vol. 39 (Suppl. 1), p. 26-30
Journal article
2009

The mixing advantage is less than 2

Peter Jagers, Patsy Haccou, Aidan Sudbury et al
Journal of Logic and Computation. Vol. 12 (1), p. 19-31
Journal article
2009

Viability of small populations experiencing recurring catastrophes

Peter Jagers, Karin C. Harding
Math. Pop Studies. Vol. 16 (3), p. 177-198
Journal article
2009

Extinction

Peter Jagers
Math. Pop Studies. Vol. 16 (3), p. 175-176
Journal article
2009

Politiken hotar matematiken

Peter Jagers, Anders Björner, Nils Dencker et al
Svenska Dagbladet. Vol. 2009-09-02
Magazine article
2009

Opinionsmätningar tar över

Peter Jagers
Dagens Nyheter. Vol. 2009-04-07
Magazine article
2009

Matematikens ord

Peter Jagers
LexicoNordica. Vol. 16, p. 315-318
Journal article
2008

European regulatory agencies should employ full time statisticians

Sara Hughes, Oliver Keene, Nigel Howitt et al
British Medical Journal. Vol. 336 (7638), p. 250-250
Journal article
2008

General branching processes conditioned on extinction are still branching processes

Peter Jagers, Andreas Lagerås
Electronic Communications in Probability. Vol. 13, p. 540-547
Journal article
2008

General branching processes in discrete time as random trees.

Peter Jagers, Serik Sagitov
Bernoulli. Vol. 14 (4), p. 949-962
Journal article
2007

On the Path to Extinction

Peter Jagers, Fima Klebaner, Serik Sagitov
PNAS. Vol. 104, p. 6107--6111-
Journal article
2007

Markovian Paths to Extinction

Peter Jagers, Fima Klebaner, Serik Sagitov
Adv. Appl. Prob.. Vol. 39, p. 569-587
Journal article
2005

The coalescent effective size of age-structured populations.

Serik Sagitov, Peter Jagers
Annals of Applied Probability. Vol. 15, p. 1778-1797
Journal article
2005

Branching Processes: Variation, Growth, and Extinction of Populations

Peter Jagers, Patsy Haccou, Vladimir Vatutin
Book
2005

Branching processes : variation, growth, and extinction of populations

Patsy Haccou, Peter Jagers, Vladimir A. Vatutin
, p. 1-317
Book
2005

Reversed Galton-Watson processes in the linear fractional case

Peter Jagers, Serik Sagitov
Preprint
2005

Estimation of the PCR efficiency based on a size-dependent modelling of the amplification process

Nadia Lalam, C. Jacob, Peter Jagers
Comptes Rendus Mathematique. Vol. 341 (10), p. 631-634
Journal article
2004

Convergence to the coalescent in populations of substantially varying size

Peter Jagers, Serik Sagitov
J. Appl. Prob.. Vol. 41, p. 368-378
Journal article
2004

Stochastic fixed points for the maximum

Peter Jagers, Uwe Rösler
Trends in Mathematics} Birkh\"auser Verlag, Basel (2004)
Journal article
2004

The coalescent effective size of age-structured populations

Serik Sagitov, Peter Jagers
Preprint
2004

Convergence to the coalescent in populations of substantially varying size.

Peter Jagers, Serik Sagitov
Journal of Applied Probability. Vol. 41 (2), p. 368-378
Journal article
2004

Branching processes in near-critical random encironments.

Peter Jagers, Fima Klebaner
J. Appl. Prob.. Vol. 41 (A)
Journal article
2004

Om ekonomipriset till Kydland och Prescott

Peter Jagers, Johan Lönnroth, Måns Lönnroth
DN Debatt (2004-12-01)
Magazine article
2003

Random variation and concentration effects in PCR

Peter Jagers, Peter Jagers
Journal of Theoretical Biology. Vol. 224 (3), p. 299-304
Journal article
2002

Random variation and concentration effects in PCR

Peter Jagers, Fima Klebaner
Preprint
2002

Branching processes with deteriorating random environments

Peter Jagers, Lu Zhunwei
Preprint
2002

Branching processes with deteriorating random environments

Peter Jagers, Zhunwei Lu
Journal of Applied Probability. Vol. 39, p. 395-401
Journal article
2000

The growth of general population-size-dependent branching processes year by year

Peter Jagers, Serik Sagitov
J. Appl. Prob.. Vol. 37 (1), p. 1-14
Journal article
1998

Population-size-dependent and age-dependent branching

Peter Jagers, Fima Klebaner
Preprint