## Ramsay, Colin M.

Compute Distance To:
 Author ID: ramsay.colin-m Published as: Ramsay, Colin; Ramsay, Colin M.; Ramsay, C.
 Documents Indexed: 56 Publications since 1984 Co-Authors: 24 Co-Authors with 34 Joint Publications 586 Co-Co-Authors
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### Co-Authors

 22 single-authored 13 Havas, George 6 Gray, Brenton D. 6 Oguledo, Victor I. 3 Campbell, Colin Matthew 3 Roberts, Ian T. 3 Robertson, Edmund Frederick 3 Street, Anne Penfold 2 Conder, Marston D. E. 2 Rogers, Douglas G. 1 Adams, Peter J. 1 Arcila, Luis David 1 Donovan, Diane M. 1 Goda, Gopi Shah 1 Gray, Ken 1 Hamilton, G. M. 1 Harris, Karen G. 1 Khodkar, Abdollah 1 Krutto, Annika 1 Lawrence, Julie L. 1 Mahmoodian, Ebadollah S. 1 Newman, Michael Frederick 1 Pathak, Priya 1 Ruskey, Frank 1 Yazıcı, Emine Şule
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### Serials

 10 Insurance Mathematics & Economics 6 North American Actuarial Journal 3 Bulletin of the Australian Mathematical Society 3 Utilitas Mathematica 3 JCMCC. The Journal of Combinatorial Mathematics and Combinatorial Computing 2 Discrete Mathematics 2 Scandinavian Actuarial Journal 2 Graphs and Combinatorics 2 Communications in Statistics. Theory and Methods 2 The Australasian Journal of Combinatorics 2 Bulletin of the Institute of Combinatorics and its Applications 1 Communications in Algebra 1 Ars Combinatoria 1 Journal of Algebra 1 Journal of Statistical Planning and Inference 1 Sankhyā. Series A. Methods and Techniques 1 Queueing Systems 1 International Journal of Algebra and Computation 1 Experimental Mathematics 1 LMS Journal of Computation and Mathematics 1 Scandinavian Actuarial Journal 1 International Journal of Group Theory
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### Fields

 19 Combinatorics (05-XX) 12 Group theory and generalizations (20-XX) 12 Statistics (62-XX) 12 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 10 Probability theory and stochastic processes (60-XX) 8 Computer science (68-XX) 2 Integral transforms, operational calculus (44-XX) 1 Special functions (33-XX) 1 Difference and functional equations (39-XX) 1 Functional analysis (46-XX) 1 Geometry (51-XX) 1 Manifolds and cell complexes (57-XX) 1 Numerical analysis (65-XX) 1 Operations research, mathematical programming (90-XX)

### Citations contained in zbMATH Open

44 Publications have been cited 154 times in 109 Documents Cited by Year
Defining sets in combinatorics: A survey. Zbl 1031.05020
Donovan, Diane; Mahmoodian, E. S.; Ramsay, Colin; Street, Anne Penfold
2003
A solution to the ruin problem for Pareto distributions. Zbl 1055.91056
Ramsay, Colin M.
2003
The distribution of sums of certain i.i.d. Pareto variates. Zbl 1084.62013
Ramsay, Colin M.
2006
Breadth-first search and the Andrews-Curtis conjecture. Zbl 1059.20029
Havas, George; Ramsay, Colin
2003
Minimal completely separating systems of sets. Zbl 0847.05096
Ramsay, Colin; Roberts, Ian T.
1996
Nice efficient presentations for all small simple groups and their covers. Zbl 1053.20013
Campbell, Colin M.; Havas, George; Ramsay, Colin; Robertson, Edmund F.
2004
Insurance pricing with complete information, state-dependent utility, and production costs. Zbl 1237.91138
Ramsay, Colin M.; Oguledo, Victor I.
2012
The asymptotic ruin problem when the healthy and sick periods form an alternating renewal process. Zbl 0543.62092
Ramsay, Colin M.
1984
Exact waiting time and queue size distributions for equilibrium $$M/G/1$$ queues with Pareto service. Zbl 1172.90365
Ramsay, Colin M.
2007
On the spectrum of Steiner $$(v, k, t)$$ trades. II. Zbl 0939.05015
Gray, Brenton D.; Ramsay, Colin
1999
On the spectrum of Steiner $$(v, k, t)$$ trades. I. Zbl 0959.05014
Gray, Brenton D.; Ramsay, Colin
2000
Proving a group trivial made easy: a case study in coset enumeration. Zbl 0985.20019
Havas, George; Ramsay, Colin
2000
Completely separating systems of $$k$$-sets. Zbl 0892.05048
Ramsay, Colin; Roberts, Ian T.; Ruskey, Frank
1998
The distribution of compound sums of Pareto distributed losses. Zbl 1224.91083
Ramsay, Colin M.
2009
Defining set spectra for designs can have arbitrarily large gaps. Zbl 1159.05007
Havas, George; Lawrence, Julie L.; Ramsay, Colin; Street, Anne Penfold; Yazıcı, Emine Şule
2008
Pricing high-risk and low-risk insurance contracts with incomplete information and production costs. Zbl 1284.91266
Ramsay, Colin M.; Oguledo, Victor I.; Pathak, Priya
2013
The distribution of sums of i.i.d. Pareto random variables with arbitrary shape parameter. Zbl 1165.62010
Ramsay, Colin M.
2008
All simple groups with order from 1 million to 5 million are efficient. Zbl 1337.20007
Campbell, C. M.; Havas, G.; Ramsay, C.; Robertson, E. F.
2014
On the efficiency of the simple groups of order less than a million and their covers. Zbl 1133.20015
Campbell, Colin M.; Havas, George; Ramsay, Colin; Robertson, Edmund F.
2007
On the number of Pasch configurations in a Steiner triple system. Zbl 0915.05016
Gray, Brenton D.; Ramsay, Colin
1998
Short balanced presentations of perfect groups. Zbl 1061.20025
Havas, George; Ramsay, Colin
2003
On the spectrum of $$[v,k,t]$$ trades. Zbl 0930.05012
Gray, Brenton D.; Ramsay, Colin
1998
Optimal disability insurance with moral hazards: absenteeism, presenteeism, and shirking. Zbl 1414.91228
Ramsay, Colin M.; Oguledo, Victor I.
2015
The annuity puzzle and an outline of its solution. Zbl 1411.91311
Ramsay, Colin M.; Oguledo, Victor I.
2018
On blocked Poisson processes in risk theory. Zbl 0723.62064
Ramsay, Colin M.
1991
On proofs in finitely presented groups. Zbl 1120.20032
Havas, George; Ramsay, Colin
2007
Pricing optional group term insurance: a new approach using reservation prices. Zbl 1111.91024
Ramsay, Colin M.
2005
The problem of irregular perfect systems of sets of iterated differences. Zbl 0868.05011
Ramsay, Colin; Rogers, Douglas G.
1997
Uniform perfect systems of sets of iterated differences of size 4. Zbl 0886.05030
Hamilton, G. M.; Ramsay, C.; Roberts, I. T.; Rogers, D. G.
1996
On a family of STS$$(v)$$ whose smallest defining sets contain at least $$b/4$$ blocks. Zbl 0876.05007
Ramsay, Colin
1997
An algorithm for enumerating trades in designs, with an application to defining sets. Zbl 0876.05008
Ramsay, Colin
1997
An algorithm for completing partials, with an application to the smallest defining sets of the STS(15). Zbl 0903.05013
Ramsay, Colin
1997
Andrews-Curtis and Todd-Coxeter proof words. Zbl 1047.20024
Havas, George; Ramsay, Colin
2003
Experiments in coset enumeration. Zbl 1061.20024
Havas, George; Ramsay, Colin
2001
Some results on defining sets of $$t$$-designs. Zbl 0927.05006
Gray, Brenton D.; Ramsay, Colin
1999
The linear model revisited. Zbl 0744.62146
Ramsay, Colin M.
1991
On a conjecture of Mahmoodian and Soltankhah regarding the existence of $$(v,k,t)$$ trades. Zbl 0963.05014
Gray, Brenton D.; Ramsay, Colin
1998
Parallel coset enumeration using threads. Zbl 0996.68002
Havas, George; Ramsay, Colin
2000
Smallest defining sets of some STS(19). Zbl 1003.05013
Adams, Peter; Khodkar, Abdollah; Ramsay, Colin
2001
A system of integro-differential-difference equations in risk theory, using compound birth-death processes. Zbl 0583.62090
Ramsay, Colin M.
1985
Exploring the optimal design of an employer-sponsored sickness-disability compensation insurance plan when sickness presenteeism is penalized. Zbl 1416.91218
Ramsay, Colin M.; Oguledo, Victor I.; Krutto, Annika
2018
Annuity distributions. A new class of compound Poisson distributions. Zbl 0789.62089
Ramsay, Colin M.
1993
The moments of compound interest functions when interest fluctuates as a compound Markov chain. Zbl 0605.62129
Ramsay, Colin M.
1986
Ruin probabilities and the compound Poisson-Markov chain. Zbl 0661.62112
Ramsay, Colin M.
1986
The annuity puzzle and an outline of its solution. Zbl 1411.91311
Ramsay, Colin M.; Oguledo, Victor I.
2018
Exploring the optimal design of an employer-sponsored sickness-disability compensation insurance plan when sickness presenteeism is penalized. Zbl 1416.91218
Ramsay, Colin M.; Oguledo, Victor I.; Krutto, Annika
2018
Optimal disability insurance with moral hazards: absenteeism, presenteeism, and shirking. Zbl 1414.91228
Ramsay, Colin M.; Oguledo, Victor I.
2015
All simple groups with order from 1 million to 5 million are efficient. Zbl 1337.20007
Campbell, C. M.; Havas, G.; Ramsay, C.; Robertson, E. F.
2014
Pricing high-risk and low-risk insurance contracts with incomplete information and production costs. Zbl 1284.91266
Ramsay, Colin M.; Oguledo, Victor I.; Pathak, Priya
2013
Insurance pricing with complete information, state-dependent utility, and production costs. Zbl 1237.91138
Ramsay, Colin M.; Oguledo, Victor I.
2012
The distribution of compound sums of Pareto distributed losses. Zbl 1224.91083
Ramsay, Colin M.
2009
Defining set spectra for designs can have arbitrarily large gaps. Zbl 1159.05007
Havas, George; Lawrence, Julie L.; Ramsay, Colin; Street, Anne Penfold; Yazıcı, Emine Şule
2008
The distribution of sums of i.i.d. Pareto random variables with arbitrary shape parameter. Zbl 1165.62010
Ramsay, Colin M.
2008
Exact waiting time and queue size distributions for equilibrium $$M/G/1$$ queues with Pareto service. Zbl 1172.90365
Ramsay, Colin M.
2007
On the efficiency of the simple groups of order less than a million and their covers. Zbl 1133.20015
Campbell, Colin M.; Havas, George; Ramsay, Colin; Robertson, Edmund F.
2007
On proofs in finitely presented groups. Zbl 1120.20032
Havas, George; Ramsay, Colin
2007
The distribution of sums of certain i.i.d. Pareto variates. Zbl 1084.62013
Ramsay, Colin M.
2006
Pricing optional group term insurance: a new approach using reservation prices. Zbl 1111.91024
Ramsay, Colin M.
2005
Nice efficient presentations for all small simple groups and their covers. Zbl 1053.20013
Campbell, Colin M.; Havas, George; Ramsay, Colin; Robertson, Edmund F.
2004
Defining sets in combinatorics: A survey. Zbl 1031.05020
Donovan, Diane; Mahmoodian, E. S.; Ramsay, Colin; Street, Anne Penfold
2003
A solution to the ruin problem for Pareto distributions. Zbl 1055.91056
Ramsay, Colin M.
2003
Breadth-first search and the Andrews-Curtis conjecture. Zbl 1059.20029
Havas, George; Ramsay, Colin
2003
Short balanced presentations of perfect groups. Zbl 1061.20025
Havas, George; Ramsay, Colin
2003
Andrews-Curtis and Todd-Coxeter proof words. Zbl 1047.20024
Havas, George; Ramsay, Colin
2003
Experiments in coset enumeration. Zbl 1061.20024
Havas, George; Ramsay, Colin
2001
Smallest defining sets of some STS(19). Zbl 1003.05013
Adams, Peter; Khodkar, Abdollah; Ramsay, Colin
2001
On the spectrum of Steiner $$(v, k, t)$$ trades. I. Zbl 0959.05014
Gray, Brenton D.; Ramsay, Colin
2000
Proving a group trivial made easy: a case study in coset enumeration. Zbl 0985.20019
Havas, George; Ramsay, Colin
2000
Parallel coset enumeration using threads. Zbl 0996.68002
Havas, George; Ramsay, Colin
2000
On the spectrum of Steiner $$(v, k, t)$$ trades. II. Zbl 0939.05015
Gray, Brenton D.; Ramsay, Colin
1999
Some results on defining sets of $$t$$-designs. Zbl 0927.05006
Gray, Brenton D.; Ramsay, Colin
1999
Completely separating systems of $$k$$-sets. Zbl 0892.05048
Ramsay, Colin; Roberts, Ian T.; Ruskey, Frank
1998
On the number of Pasch configurations in a Steiner triple system. Zbl 0915.05016
Gray, Brenton D.; Ramsay, Colin
1998
On the spectrum of $$[v,k,t]$$ trades. Zbl 0930.05012
Gray, Brenton D.; Ramsay, Colin
1998
On a conjecture of Mahmoodian and Soltankhah regarding the existence of $$(v,k,t)$$ trades. Zbl 0963.05014
Gray, Brenton D.; Ramsay, Colin
1998
The problem of irregular perfect systems of sets of iterated differences. Zbl 0868.05011
Ramsay, Colin; Rogers, Douglas G.
1997
On a family of STS$$(v)$$ whose smallest defining sets contain at least $$b/4$$ blocks. Zbl 0876.05007
Ramsay, Colin
1997
An algorithm for enumerating trades in designs, with an application to defining sets. Zbl 0876.05008
Ramsay, Colin
1997
An algorithm for completing partials, with an application to the smallest defining sets of the STS(15). Zbl 0903.05013
Ramsay, Colin
1997
Minimal completely separating systems of sets. Zbl 0847.05096
Ramsay, Colin; Roberts, Ian T.
1996
Uniform perfect systems of sets of iterated differences of size 4. Zbl 0886.05030
Hamilton, G. M.; Ramsay, C.; Roberts, I. T.; Rogers, D. G.
1996
Annuity distributions. A new class of compound Poisson distributions. Zbl 0789.62089
Ramsay, Colin M.
1993
On blocked Poisson processes in risk theory. Zbl 0723.62064
Ramsay, Colin M.
1991
The linear model revisited. Zbl 0744.62146
Ramsay, Colin M.
1991
The moments of compound interest functions when interest fluctuates as a compound Markov chain. Zbl 0605.62129
Ramsay, Colin M.
1986
Ruin probabilities and the compound Poisson-Markov chain. Zbl 0661.62112
Ramsay, Colin M.
1986
A system of integro-differential-difference equations in risk theory, using compound birth-death processes. Zbl 0583.62090
Ramsay, Colin M.
1985
The asymptotic ruin problem when the healthy and sick periods form an alternating renewal process. Zbl 0543.62092
Ramsay, Colin M.
1984
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### Cited by 182 Authors

 19 Ramsay, Colin M. 7 Havas, George 6 Yazıcı, Emine Şule 5 Oguledo, Victor I. 4 Donovan, Diane M. 3 Albrecher, Hansjörg 3 Cavenagh, Nicholas J. 3 Guralnick, Robert Michael 3 Hajiabolhassan, Hossein 3 Kantor, William M. 3 Kassabov, Martin 3 Lefevre, James G. 3 Lubotzky, Alexander 3 Roberts, Ian T. 3 Robertson, Edmund Frederick 3 Soltankhah, Nasrin 2 Avram, Florin 2 Bollobás, Béla 2 Conder, Marston D. E. 2 Constantinescu, Corina D. 2 Daneshgar, Amir 2 Demirkale, Fatih 2 Kortschak, Dominik 2 Mahmoodian, Ebadollah S. 2 Newman, Michael Frederick 2 O’Brien, Eamonn A. 2 Rogers, Douglas G. 2 Rojas-Nandayapa, Leonardo 2 Rylands, Leanne J. 2 Samorodnitsky, Gennady Pinkhosovich 2 Scott, Alexander D. 2 Tichler, Krisztián 2 Waterhouse, Mary 2 Yang, Hailiang 1 Abbas, Karim 1 Alvarez, Enrique E. 1 Arcila, Luis David 1 Baird, Mark E. 1 Banik, Abhijit Datta 1 Bean, Richard Winston 1 Bennett, G. Kemble 1 Besharati, Nazli 1 Bian, Hong 1 Bladt, Mogens 1 Bogley, William A. 1 Böhm, Matthias 1 Boros, Endre 1 Boutsikas, Michael V. 1 Bray, John N. 1 Campbell, Colin Matthew 1 Chade, Hector 1 Chan, Wenyaw 1 Chen, Guoqiang 1 Chen, Mi 1 Cheurfa, Fatah 1 Choi, Kyoung Jin 1 Churchill, Gregory 1 Cooperman, Gene 1 D’Amico, Guglielmo 1 Deelstra, Griselda 1 Devolder, Pierre 1 Dufresne, Daniel 1 Duncan, Janet 1 Edjvet, Martin 1 Fanzeres, Bruno 1 Ghebleh, Mohammad 1 Gillespie, Neil I. 1 Gismondi, Fulvio 1 Goddyn, Luis A. 1 Golalizadeh, Somayyeh 1 Gómez-Déniz, Emilio 1 Grahovac, Danijel 1 Grannell, Michael John 1 Gray, Brenton D. 1 Griggs, Terry S. 1 Grinberg, Victor S. 1 Grüttmüller, Martin 1 Guyot, Luc 1 Hamilton, G. M. 1 Hartung, René 1 Hashorva, Enkelejd 1 Holt, Derek F. 1 Hürlimann, Werner 1 Ivanov, Sergei Vladimirovich 1 Janssen, Jacques 1 Jeon, Junkee 1 Jin, Fang 1 Jones, Bruce L. 1 Jordá, Vanesa 1 Jost, Peter-Jürgen 1 Kapovich, Michael 1 Kaski, Petteri 1 Kazemi, Adel P. 1 Kendall, Graham 1 Khosrovshahi, Gholamreza B. 1 Kim, Dowon 1 Kim, Kyoung-Kuk 1 Kollár, János 1 Kolotoğlu, Emre 1 Korzhik, Vladimir P. ...and 82 more Authors
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### Cited in 56 Serials

 11 Discrete Mathematics 9 Insurance Mathematics & Economics 8 Graphs and Combinatorics 7 North American Actuarial Journal 6 Scandinavian Actuarial Journal 5 International Journal of Algebra and Computation 4 Journal of Algebra 3 Communications in Statistics. Theory and Methods 2 Discrete Applied Mathematics 2 Journal of Statistical Planning and Inference 2 European Journal of Combinatorics 2 Journal of the American Mathematical Society 2 European Journal of Operational Research 2 Mathematical Problems in Engineering 1 Bulletin of the Australian Mathematical Society 1 Communications in Algebra 1 Mathematics of Computation 1 Advances in Mathematics 1 Algebra and Logic 1 Blätter (Deutsche Gesellschaft für Versicherungsmathematik) 1 Commentationes Mathematicae Universitatis Carolinae 1 Journal of Combinatorial Theory. Series A 1 Journal of Combinatorial Theory. Series B 1 Journal of Computational and Applied Mathematics 1 Journal of Economic Theory 1 Mathematische Zeitschrift 1 Proceedings of the American Mathematical Society 1 Scandinavian Actuarial Journal 1 Transactions of the American Mathematical Society 1 Statistics & Probability Letters 1 Acta Mathematicae Applicatae Sinica. English Series 1 Journal of Symbolic Computation 1 Applied Mathematics Letters 1 Queueing Systems 1 Economics Letters 1 Linear Algebra and its Applications 1 Experimental Mathematics 1 Journal of Combinatorial Designs 1 European Series in Applied and Industrial Mathematics (ESAIM): Probability and Statistics 1 Journal of Group Theory 1 Annals of Combinatorics 1 Extremes 1 LMS Journal of Computation and Mathematics 1 Journal of the European Mathematical Society (JEMS) 1 Probability in the Engineering and Informational Sciences 1 Methodology and Computing in Applied Probability 1 The ANZIAM Journal 1 Decisions in Economics and Finance 1 Stochastic Models 1 Mathematics in Computer Science 1 Journal of Statistical Theory and Practice 1 Journal of Topology and Analysis 1 Groups, Complexity, Cryptology 1 Science China. Mathematics 1 Iranian Journal of Mathematical Chemistry 1 European Actuarial Journal
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### Cited in 17 Fields

 40 Combinatorics (05-XX) 30 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 26 Group theory and generalizations (20-XX) 22 Statistics (62-XX) 19 Probability theory and stochastic processes (60-XX) 11 Computer science (68-XX) 5 Operations research, mathematical programming (90-XX) 4 Manifolds and cell complexes (57-XX) 3 Integral transforms, operational calculus (44-XX) 2 Special functions (33-XX) 2 Geometry (51-XX) 2 Numerical analysis (65-XX) 2 Biology and other natural sciences (92-XX) 1 Algebraic geometry (14-XX) 1 $$K$$-theory (19-XX) 1 Convex and discrete geometry (52-XX) 1 Differential geometry (53-XX)