Robert Osburn
Contact Information:
School of Mathematics and Statistics
University College Dublin
Belfield
Dublin 4
Ireland
Office: Science Center South, S0.99
Phone: +353 1 716 2548
robert dot osburn at ucd dot ie
Seminar and Teaching:
Algebra and Number Theory Seminar
Past seminars: 2005-2006 ,
2006-2007 ,
2007-2008 ,
2008-2009 ,
2009-2010 ,
2010-2011 ,
2011-2012 ,
2012-2013 ,
2013-2014 , 2014-2015 ,
2015-2016 ,
2016-2017 ,
2017-2018 ,
2018-2019
MST 10010:
Calculus I
Upcoming Events:
New
developments in representation theory of algebras , OIST ,
Okinawa, November 18-30, 2024
Recent Events:
Modular
forms in String Theory , BIRS, Banff, September 25-30, 2016
Hypergeometric
motives and Calabi-Yau differential equations , MATRIX
Institute, Creswick, January 8-27, 2017
University of Alberta, April 29-May 6, 2017
Low-dimensional topology
and number theory , MFO, August 20-26, 2017
Trends in
Modular Forms , NIMS, Daejeon, December 19-22, 2017
Periods in Number Theory, Algebraic
Geometry and Physics , HIM, Bonn, January 3-19, 2018
Modular
forms and quantum knot invariants , BIRS, Banff, March 11-16,
2018
AMS
Special Session on Mock modular and quantum modular forms ,
Portland State, April 14-15, 2018
Antalya Algebra
Days XX , Nesin Mathematics Village, May 16-20, 2018
UCD Undergraduate Research Projects, Summer 2018
Number
Theory and Algebra Seminar , University of Zagreb, October 30,
2018
MPIM, Bonn, February 1-April 30, 2019
Modularity and
3-manifolds , ICERM, March 8-10, 2019
MPIM Number Theory
Seminar , March 13, 2019
U.C. Berkeley, March 22-29, 2019
Algebra
Seminar , TU Darmstadt, April 23, 2019
Number Theory Seminar, Queen's University, June 19, 2019
REU Colloquium, Oregon State University, Corvallis, July 22-25, 2019
James M. Flaherty
Visiting Professor , McMaster University, May 17-August 9, 2019
KIAS and SeoulTech, August 12-17, 2019
2nd q -Day:
q -series and related topics, KIAS, August 16, 2019
Fields
Institute Undergraduate Summer Research Program , July 2-August
30, 2019
Colloquium
and Flaherty Public Lecture , McMaster University, September
27, 2019
UCD Undergraduate Research Projects, Summer 2020
Vanderbilt Number
Theory Seminar , November 17, 2020
Warsaw
Number Theory Seminar , November 30, 2020
EIMI Number Theory
Seminar , December 8, 2020
SFB F50 Statusseminar , December 14-16, 2020
Modularity in
Quantum Systems , KITP, November 30-December 18, 2020
Graduate
Colloquium , University of Denver, April 23, 2021
New connections in
number theory and physics , Isaac Newton Institute, Cambridge,
May 24-28, 2021
Number Theory, Strings
and Quantum Physics , Kavli IPMU, May 31-June 5, 2021
UCD Undergraduate Research Projects, Summer 2021 (come watch the
student talks!)
Research visit, McMaster University, November 28 - December 5, 2021
MFO, Research in
Pairs , January 9-22, 2022
MPIM Number Theory
Seminar , March 30, 2022
MPIM, Bonn, March 1-31, 2022
Research visit, Institut Camille Jordan, Lyon, April 10-14, 2022
AMS
Special Session on q -series, number theory and quantum
topology , co-organizer, University of Denver, May 14-15, 2022
Visiting Professor, Okinawa Institute of Science and
Technology , June 9 - September 1, 2022
Kyushu
Mathematical Physics Seminar , Fukuoka, July 20, 2022
Hao Dai's MSc defense, slides and
thesis ,
September 5, 2022
Representation
Theory XVII , Dubrovnik, October 3-8, 2022
Research visit, IRIF , Paris, December 4-17,
2022
MPIM Bonn, May 1-31, 2023
Research visit, IRIF , Paris, July 2-8, 2023
UCD
Undergraduate Research Projects , Summer 2023 (come watch the
student talks!)
Exact
Asymptotics: From Fluid Dynamics to Quantum Geometry , OIST ,
Okinawa, August 28-September 15, 2023
Mathematical
Sciences Seminar Series , UCC, November 29, 2023
Research visit, University of Geneva ,
December 13-17, 2023
Research visit and Colloquium
talk , NISER , Bhubaneswar, January
5-12, 2024
School
of Mathematical and Statistical Sciences Seminar , University
of Galway, January 30, 2024
Plenary speaker, The
Web of Modularity , Tulane University, February 22-25, 2024
Arbeitsgemeinschaft
Diskrete Mathematik , University of Vienna, May 28, 2024
UCD
Undergraduate Research Projects , Summer 2024 (come watch the
student talks!)
cv
student
comments
UCD profile
UCD Today article, Spring 2020 (see page 15)
UCD
College of Science Research and Teaching Showcase
UCD
Today article, Spring/Summer 2023 (see page 34)
OIST
Theoretical Sciences Visiting Program Public Talk , Okinawa,
July 7, 2022
IRC
Advanced Laureate Award , 2023-2027
Editorial Boards:
Journal
of Combinatorial Theory, Series A
Canadian
Journal of Mathematics
Canadian
Mathematical Bulletin
Publications:
54. in preparation.
53. K. Allen and R. Osburn, "Unimodal sequences
and mixed false theta functions ",
submitted.
52. S. Crew, A. Goswami and R. Osburn, "Resurgence of Habiro
elements ",
submitted.
51. R. Osburn, "Knot theory and Rogers-Ramanujan type
identities ",
Srinivasa Ramanujan: His Life,
Legacy and Mathematical Influence (Springer) , accepted for
publication.
50. B. Alinquant and R. Osburn, "On sporadic sequences ",
Monatshefte für Mathematik , 205, no. 2, (2024), 217-234.
49. J. Lovejoy and R. Osburn, "Rank
deviations for overpartitions ",
Research in Number Theory , 10, no. 3, (2024), Paper No. 67.
48. A. Goswami, A. Jha, B. Kim and R. Osburn, "Asymptotics and
sign patterns for coefficients in expansions of Habiro elements ",
Mathematische Zeitschrift, 304, no. 4, (2023), 57.
47. J. Dousse and R. Osburn, "A q -multisum
identity arising from finite chain ring probabilities ",
Electronic Journal of Combinatorics , 29, no. 2, (2022), Paper
No. 2.4.
46. J. Lovejoy and R. Osburn, "The
colored Jones polynomial and Kontsevich-Zagier series for double
twist knots ",
Journal of Knot Theory and its
Ramifications , 30, no. 5, (2021), 2150031.
45. A. Goswami and R. Osburn, "Quantum
modularity of partial theta series with periodic coefficients ",
Forum Mathematicum , 33,
no. 2, (2021), 451-463.
44. S. H. Chan, R. Mao and R. Osburn, "Variations of
Andrews-Beck type congruences ",
Journal of Mathematical Analysis
and Applications , 495, no. 2, (2021), 124771.
43. C. Bijaoui, H. Boden, B. Myers, R. Osburn, W. Rushworth, A.
Tronsgard and S. Zhou, "Generalized
Fishburn numbers and torus knots ",
Journal of Combinatorial Theory,
Series A , 178 (2021), 105355.
(See also the 2019 FUSRP
final report )
42. D. McCarthy, R. Osburn and A. Straub, "Sequences,
modular forms and cellular integrals ",
Mathematical Proceedings of the
Cambridge Philosophical Society , 168, no. 2, (2020),
379-404.
41. J. Lovejoy and R. Osburn, "The
colored Jones polynomial and Kontsevich-Zagier series for double
twist knots, II ",
New York Journal of Mathematics ,
25 (2019), 1312-1349.
40. R. Osburn and A. Straub, "Interpolated
sequences and critical L-values of modular forms ",
Elliptic Integrals, Elliptic Functions and Modular Forms in
Quantum Field Theory , 327-349, Texts & Monographs in
Symbolic Computation, Springer, 2019.
39. F. Luca, P. Moree, R. Osburn, S. Saad Eddin and A.
Sedunova, "Constrained
ternary
integers ",
International Journal of Number
Theory , 15, no. 2, (2019), 407-431.
38. R. Osburn, A. Straub and W. Zudilin, "A modular
supercongruence for 6 F5 : an Apéry-like
story ",
Annales de l'Institut Fourier
(Grenoble), 68, no. 5, (2018), 1987-2004.
37. J. Lovejoy and R. Osburn, "Mock
theta double sums ",
Glasgow Mathematical Journal ,
59, no. 2, (2017), 323-348.
36. P. Beirne and R. Osburn, "q -series and tails of colored
Jones polynomials ",
Indagationes Mathematicae, 28,
no. 1, (2017), 247-260.
35. L. Long, R. Osburn and H. Swisher, "On a
conjecture of Kimoto and Wakayama ",
Proceedings of the American
Mathematical Society , 144, no. 10, (2016), 4319-4327.
34. G. E. Andrews, S. H. Chan, B. Kim and R. Osburn, "The first
positive rank and crank moments for overpartitions ",
Annals of Combinatorics ,
20, no. 2, (2016), 193-207.
33. R. Osburn, B. Sahu and A. Straub, "Supercongruences
for
sporadic sequences ",
Proceedings of the Edinburgh
Mathematical Society (2), 59, no. 2, (2016), 503-518.
32. A. Keilthy and R. Osburn, "Rogers-Ramanujan
type identities for alternating knots ",
Journal of Number Theory ,
161, (2016), 255-280.
31. R. Osburn and W. Zudilin, "On the
(K.2) supercongruence of Van Hamme ",
Journal of Mathematical Analysis
and Applications , 433, no. 1, (2016), 706-711.
30. S. H. Chan, R. Mao and R. Osburn, "On recursions for
coefficients of mock theta functions ",
Research in Number Theory ,
1:29 (2015).
29. J. Lovejoy and R. Osburn, "Real
quadratic double sums ",
Indagationes Mathematicae ,
26, no. 4, (2015), 697-712.
28. J. Lovejoy and R. Osburn, "On two 10th
order mock theta identities ",
The Ramanujan Journal , 36,
no. 1-2, (2015), 117-121.
27. R. Osburn, "q -hypergeometric
series,
alternating knots and identities ",
Oberwolfach Reports , 11,
no. 3, (2014), 2164-2167.
26. J. Lovejoy and R. Osburn, "Mixed mock
modular q -series ",
Journal of the Indian
Mathematical Society, New Series. Special volume to
commemorate the 125th birth anniversary of Srinivasa Ramanujan,
(2013), 45-61.
25. J. Lovejoy and R. Osburn, "q -hypergeometric double sums
as mock theta functions ",
Pacific Journal of Mathematics ,
264, no. 1, (2013), 151-162.
24. R. Osburn and B. Sahu, "A
supercongruence for generalized Domb numbers ",
Functiones et Approximatio
Commentarii Mathematici , 48, no. 1, (2013), 29-36.
23. J. Lovejoy and R. Osburn, "The Bailey
chain and mock theta functions ",
Advances in Mathematics ,
238 (2013), 442-458.
22. D. Brink, P. Moree and R. Osburn, "Principal forms X^2
+ nY^2 representing many integers ",
Abhandlungen aus dem
Mathematischen Seminar der Universität Hamburg , 81, no. 2,
(2011), 129-139.
21. R. Osburn and B. Sahu, "Supercongruences for
Apéry-like numbers ",
Advances in Applied Mathematics ,
47, no. 3, (2011), 631-638.
20. R. Osburn and B. Sahu, "Congruences via
modular forms ",
Proceedings of the American
Mathematical Society, 139, no. 7, (2011), 2375-2381.
19. J. Lovejoy and R. Osburn, "Quadratic forms
and four partition functions modulo 3 ",
Integers , 11, no. 1,
(2011), 47-53.
18. H. Chan, A. Kontogeorgis, C. Krattenthaler and R. Osburn,
"Supercongruences
satisfied by coefficients of 2 F1
hypergeometric series ",
Annales des sciences mathématiques
du Québec , 34, no. 1, (2010), 25-36.
17. J. Lovejoy and R. Osburn, "M2 -rank
differences
for overpartitions ",
Acta Arithmetica, 144, no.
2, (2010), 193-212.
16. K. Bringmann, J. Lovejoy and R. Osburn, "Automorphic
properties of generating functions for generalized rank moments
and Durfee symbols ",
International Mathematics Research
Notices , no. 2, (2010), 238-260.
15. K. Bringmann, J. Lovejoy and R. Osburn, "Rank and
crank moments for overpartitions" ,
Journal of Number Theory ,
129, (2009), 1758-1772.
14. J. Lovejoy and R. Osburn, "M2 -rank
differences
for partitions without repeated odd parts" ,
Journal de Théorie des Nombres de
Bordeaux , 21, no. 2, (2009), 313-334.
13. R. Osburn and C. Schneider, "Gaussian
hypergeometric series and supercongruences" ,
Mathematics of Computation, 78, no. 265, (2009), 275-292.
12. D. McCarthy and R. Osburn, "A p -adic
analogue of a formula of Ramanujan ",
Archiv der Mathematik , 91,
no. 6, (2008), 492-504.
11. J. Lovejoy and R. Osburn, "Rank
differences for overpartitions" ,
The Quarterly Journal of
Mathematics , 59, no. 2, (2008), 257-273.
10. R. Osburn, "Congruences for
traces of singular moduli" ,
The Ramanujan Journal , 14,
no. 3, (2007), 411-419.
9. R. Murty and R. Osburn, "Representations
of
integers by certain positive definite binary quadratic forms",
The Ramanujan Journal , 14,
no. 3, (2007), 351-359.
8. S. de Wannemacker, T. Laffey and R. Osburn, "On a conjecture of
Wilf" ,
Journal of Combinatorial Theory,
Series A, 114, no. 7, (2007), 1332-1349.
7. P. Moree and R. Osburn, "Two-dimensional
lattices with few distances" ,
L'Enseignement Mathématique ,
52, (2006), 361-380.
6. S. K. K. Choi, A. Kumchev and R. Osburn, "On sums of
three squares" ,
International Journal of Number
Theory , 1, no. 2, (2005), 161-173.
5. R. Osburn, "A remark on a
conjecture of Borwein and Choi" ,
Proceedings of the American
Mathematical Society , 133, no. 10, (2005), 2903-2909.
4. R. Osburn, "Vanishing
of
eigenspaces and cyclotomic fields" ,
International Mathematics Research
Notices , no. 20, (2005), 1195-1202.
3. R. Osburn, "A note on
4-rank densities" ,
Canadian Mathematical Bulletin ,
47, (2004), 431-438.
2. R. Osburn and B. Murray, "Tame kernels and
further 4-rank densities" ,
Journal of Number Theory ,
98, (2003), 390-406.
1. R. Osburn, "Densities of
4-ranks of K_2(O)" ,
Acta Arithmetica, 102,
(2002), 45-54.
0. R. Osburn, "Densities
of 4-ranks of K_2 of rings of integers ",
Ph.D. thesis, LSU, 2001.
Undergraduate Students:
7. Brendan Alinquant, UCD
UCD School of Mathematics and Statistics Undergraduate Research
Project. Summer 2023
3.- 6. Colin Bijaoui (McMaster), Beckham Myers (Harvard), Aaron
Tronsgard (Alberta), Shaoyang Zhou (Vanderbilt)
Fields
Institute Undergraduate Summer Research Program , July 1-August
29, 2019
2. Paul Beirne, UCD
UCD SMS Undergraduate Research Project, Summer 2015
1. Adam Keilthy, TCD
UCD SMS Undergraduate Research Project, Summer 2014
MSc Students:
1. Hao Dai, MSc, Summer 2022
Thesis: Somos
sequences and cluster algebras
PhD Students:
5. Björn Johannesson, PhD, starting
9/2024
4. Kevin Allen , PhD
student, 9/2021 to current, UCD
3. Paul Beirne ,
PhD 2020, UCD
IRC Postgraduate Scholarship
Thesis: Stability properties for the coefficients of the colored
Jones polynomial
Senior Operations Executive
Irish Medicines Verification Organisation
2. Dermot McCarthy ,
PhD 2010, UCD
Ad Astra Research Scholarship.
Thesis: p -adic hypergeometric series and
supercongruences
Associate Professor
Texas Tech University, Lubbock, Texas, USA
1. Stefan de Wannemacker, PhD 2006,
UCD
(co-advisor: David Lewis).
Thesis: Annihilating polynomials and Stirling numbers of the
second kind
Senior Researcher
iTec, K.U. Leuven, Kortrijk, Belgium
Postdoctoral
Fellows:
5.
Matthias
Storzer , October 2024-September 2027, UCD
IRC Advanced Laureate
Award Postdoc
4. Yuma Mizuno , April
2024-March 2027, UCD
IRC Advanced Laureate Award Postdoc
3. David Brink, August 2009-August 2010, UCD
Danish Research Fellowship
Researcher
Akamai Technologies, Denmark
2. Brundaban
Sahu , Nov. 2008-Oct. 2010, UCD
SFI Postdoctoral Fellowship.
Professor
National Institute of Science Education and Research,
Bhubaneswar, India
1. Marilyn Reece Myers, Dec. 2007-Dec. 2009, UCD
IRCSET Postdoctoral Fellowship.
Assistant Professor
Calvin College, Michigan, USA
Conferences Organized:
AMS
Special Session on q -series, number theory and quantum
topology , University of Denver, May 14-15, 2022
Workshop on
Enumerative Combinatorics , UCD, March 10, 2021
Modular
forms and quantum knot invariants , BIRS, Banff, March 11-16,
2018
Workshop on vertex operator algebras and mock modular forms ,
NUI Galway, May 22-23, 2015
27th
Automorphic
Forms Workshop , UCD, March 11-14, 2013
Algebraic K-theory and
Arithmetic , Banach Center, Bedlewo, Poland, July 22-28,
2012
Prospects in q -series and modular
forms , UCD, July 14-16, 2010
AMS
Special
Session on Number Theory and applications in other fields ,
LSU, March 28-30, 2008
AMS
Special
Session on Algebraic Number Theory and K-theory , LSU,
March 14-16, 2003
Grants:
IRC Advanced Laureate Award, December 2023 -
November 2027
"q -series, quantum knot invariants and modularity"
€ 993,160
Enterprise Ireland, June 2021
"The modularity of quantum invariants for classical and virtual
knots"
€ 16,000
UCD Seed Funding Scheme, April 2020
"Modular properties of quantum knot invariants"
€ 1800
James M. Flaherty Visiting Professor, Ireland Canada University
Foundation, May 2019 - August 2019
"q KI+TQC"
€21,800
IRC Postgraduate Scholarship (for Paul Beirne), October 2018 -
September 2020
"Quantum knot invariants and modular forms"
€ 48,000
UCD Seed Funding Scheme, April 2018
"Quantum knot invariants and modularity"
€ 1500
UCD Seed Funding Scheme, February 2016
"q -series and quantum
knot invariants"
€ 1100
Irish Research Council New Foundations Scheme, March 2015
"VOAs+MMFs"
€ 6000
SFI Conference and Workshop Programme, March 2013
"27th Automorphic Forms Workshop"
€2000
Number Theory Foundation, March 2013
"27th Automorphic Forms Workshop"
$5000
UCD Seed Funding Scheme, May 2012
"The Bailey chain and mock theta functions"
€1500
SFI Research Frontiers Programme, April 2008 - October 2011
"Arithmetic properties of coefficients of modular forms"
€116,300
Number Theory Foundation, January 2010
"Prospects in q -series
and modular forms"
$1000
IRCSET France-Ireland Ulysses Programme, December 2007
"Ramanujan-type congruences for overpartitions and overpartition
pairs"
€2500
UCD Seed Funding Scheme, December 2007
"Dyson's rank and overpartitions"
€2380
IRCSET Postdoctoral Fellowship Scheme (for Marilyn Myers), June
2007 - June 2009
"Variations of Kummer's conjecture"
€93,000
UCD Ad Astra Scholarship Programme (for Dermot McCarthy),
September 2006 - August 2010
"Number theory, modular forms and combinatorics"
€48,000
UCD Seed Funding Scheme, August 2006
"Two-dimensional lattices with few distances"
€2093.73
Math Links:
UCD School of Mathematics and
Statistics
MPIM
IHES
Number Theory Web
arXiv
Non-math Links:
ESPN
imdb
David Lynch
Tool
Dublin
Dublin City Gallery
Irish Writers Centre
IMMA
Science Gallery