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{{short description|Costa Rican theoretical physicist}}
{{short description|Costa Rican theoretical physicist}}
{{Use dmy dates|date=April 2022}}
{{family name hatnote|de la Ossa|Osegueda|lang=Spanish}}
{{family name hatnote|de la Ossa|Osegueda|lang=Spanish}}
[[File:Xenia de la Ossa, Villa de Leyva, Colombia, August 2017.jpg|thumb|Picture taken in the garden at the location of ''Geometric, Algebraic and [[Topological]] Methods for [[Quantum Field Theory]] [[Villa de Leyva]] Summer School – 2017'']]
[[File:Xenia de la Ossa, Villa de Leyva, Colombia, August 2017.jpg|thumb|Picture taken in the garden at the location of ''Geometric, Algebraic and [[Topological]] Methods for [[Quantum Field Theory]] [[Villa de Leyva]] Summer School – 2017'']]
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Xenia de la Ossa is known for her contributions to mathematical physics with much of her work focusing on string theory and its interplay with algebraic geometry. In 1991, she coauthored "A pair of Calabi-Yau manifolds as an exactly soluble superconformal theory",<ref>{{Citation |author1=Philip Candelas |author2=Xenia de la Ossa |author3=Paul S. Green |author4=Linda Parkes | title = A pair of Calabi-Yau manifolds as an exactly soluble superconformal theory | journal = Nuclear Physics B | volume = 359 |issue=1 | date = 1991| pages = 21–74| doi=10.1016/0550-3213(91)90292-6|bibcode=1991NuPhB.359...21C}}</ref> which contained remarkable predictions about the number of rational curves on a quintic threefold.<ref>{{cite book|last1=Hori|first1=Kentaro|last2=Katz|first2=Sheldon|last3=Klemm|first3=Albrecht|last4=Pandharipande|first4=Rahul|last5=Thomas|first5=Richard|last6=Vafa|first6=Cumrun|last7=Vakil|first7=Ravi|last8=Zaslow|first8=Eric|title=Mirror symmetry|date=2003|series=[[Clay Mathematics Monographs]]|volume=1|publisher=American Mathematical Society|location=Providence, RI|isbn=0-8218-2955-6}}</ref> This was the first work to use [[Mirror symmetry (string theory)|mirror symmetry]] in order to make [[enumerative geometry|enumerative predictions]] in algebraic geometry, which moreover went far beyond what could be proved at the time using the available techniques within the area.<ref>{{cite book|last1=Cox|first1=David A.|last2=Katz|first2=Sheldon|title=Mirror symmetry and algebraic geometry|date=1999|publisher=American Mathematical Society|location=Providence, RI|isbn=0-8218-1059-6}}</ref>
Xenia de la Ossa is known for her contributions to mathematical physics with much of her work focusing on string theory and its interplay with algebraic geometry. In 1991, she coauthored "A pair of Calabi-Yau manifolds as an exactly soluble superconformal theory",<ref>{{Citation |author1=Philip Candelas |author2=Xenia de la Ossa |author3=Paul S. Green |author4=Linda Parkes | title = A pair of Calabi-Yau manifolds as an exactly soluble superconformal theory | journal = Nuclear Physics B | volume = 359 |issue=1 | date = 1991| pages = 21–74| doi=10.1016/0550-3213(91)90292-6|bibcode=1991NuPhB.359...21C}}</ref> which contained remarkable predictions about the number of rational curves on a quintic threefold.<ref>{{cite book|last1=Hori|first1=Kentaro|last2=Katz|first2=Sheldon|last3=Klemm|first3=Albrecht|last4=Pandharipande|first4=Rahul|last5=Thomas|first5=Richard|last6=Vafa|first6=Cumrun|last7=Vakil|first7=Ravi|last8=Zaslow|first8=Eric|title=Mirror symmetry|date=2003|series=[[Clay Mathematics Monographs]]|volume=1|publisher=American Mathematical Society|location=Providence, RI|isbn=0-8218-2955-6}}</ref> This was the first work to use [[Mirror symmetry (string theory)|mirror symmetry]] in order to make [[enumerative geometry|enumerative predictions]] in algebraic geometry, which moreover went far beyond what could be proved at the time using the available techniques within the area.<ref>{{cite book|last1=Cox|first1=David A.|last2=Katz|first2=Sheldon|title=Mirror symmetry and algebraic geometry|date=1999|publisher=American Mathematical Society|location=Providence, RI|isbn=0-8218-1059-6}}</ref>


This paper was cited in the more important books about [[String Theory]]. In 2004, [[Roger Penrose]] mentioned it in his book ''[[The Road to Reality]]'':
This paper was cited in books about [[String Theory|string theory]]. In 2004, [[Roger Penrose]] mentioned it in his book ''[[The Road to Reality]]'':


{{quote| But having said that, I have to admit to there being the appearance of something of genuine significance ‘going on behind the scenes’ in some aspects of string/ M-theory. As the mathematician, [[Richard Thomas (mathematician)|Richard Thomas]], of Imperial College London remarked to me, in an e-mail message: ‘’ I can’t emphasize enough how deep some of these dualities are: they constantly surprise us with new predictions. They show up structure never thought possible. Mathematicians confidently predicted several times that these things weren’t possible, but people like [[Philip Candelas|Candelas]], de la Ossa, et al. have shown this to be wrong. Every prediction made, suitably interpreted mathematically, has turned out to be correct. And not for any conceptual maths reason so far – we have no idea why they’re true, we just compute both sides independently and indeed find the same structures, symmetries and answers on both sides. To a mathematician these things cannot be coincidence, they must come from a higher reason. And that reason is the assumption that this big mathematical theory describes nature…’’.<ref>{{cite book|last1=Penrose|first1=Roger|title=The Road to Reality: A Complete Guide to the Laws of the Universe|date=2004|publisher=Alfred A. Knopf|location=London|isbn=978-0679454434|url-access=registration|url=https://archive.org/details/roadtorealitycom00penr_0}}</ref>}}
{{blockquote|I have to admit to there being the appearance of something of genuine significance ‘going on behind the scenes’ in some aspects of string/ M-theory. As the mathematician, [[Richard Thomas (mathematician)|Richard Thomas]], of Imperial College London remarked to me, in an e-mail message: ‘’ I can’t emphasize enough how deep some of these dualities are: they constantly surprise us with new predictions. They show up structure never thought possible. Mathematicians confidently predicted several times that these things weren’t possible, but people like [[Philip Candelas|Candelas]], de la Ossa, et al. have shown this to be wrong. Every prediction made, suitably interpreted mathematically, has turned out to be correct. And not for any conceptual maths reason so far – we have no idea why they’re true, we just compute both sides independently and indeed find the same structures, symmetries and answers on both sides. To a mathematician these things cannot be coincidence, they must come from a higher reason. And that reason is the assumption that this big mathematical theory describes nature…’’.<ref>{{cite book|last1=Penrose|first1=Roger|title=The Road to Reality: A Complete Guide to the Laws of the Universe|date=2004|publisher=Alfred A. Knopf|location=London|isbn=978-0679454434|url-access=registration|url=https://archive.org/details/roadtorealitycom00penr_0}}</ref>}}


The breakthrough enumerative predictions of the de la Ossa et al paper were eventually confirmed for low degrees of the curves (up to 9) and required corrections in higher degree.
The breakthrough enumerative predictions of the de la Ossa et al paper were eventually confirmed for low degrees of the curves (up to 9) and required corrections in higher degree.


Professor de la Ossa has belonged to scientific committees of several organizations for the promotion of scientific events in Latin America, among them the Mesoamerican Centre for Theoretical Physics<ref>[http://mctp.mx/index.html# Mesoamerican Centre for Theoretical Physics]</ref> and the School of Mathematics of Latin America and the Caribbean.<ref>[http://mvlascoh.wixsite.com/ceom/comite-organizador School of Mathematics of Latin America and the Caribbean]</ref> She has been invited as speaker to many conferences at academic institutions around the world.<ref>[http://www.math.harvard.edu/jdg/2002.html JDG 2002: Fifth Conference on Geometry and Topology]</ref><ref>[https://nms.kcl.ac.uk/sakura.schafer-nameki/MOST/MOSTPOSTER.pdf Mathematics of String Theory]</ref><ref>[http://www.bctp.uni-bonn.de/data/files/BCTP_Newsletter_2016_02.pdf Bethe Center for Theoretical Physics]</ref><ref>[https://cgp.ibs.re.kr/activities/seminars/231/1642 Institute for Basic Science(IBS)]</ref><ref>[https://www.icmat.es/congresos/2016/hitchin70/speakers.php A celebration of Nigel Hitchin's 70th birthday in honour of his contributions to mathematics]</ref>
Professor de la Ossa has belonged to scientific committees of several organizations for the promotion of scientific events in Latin America, among them the Mesoamerican Centre for Theoretical Physics<ref>[http://mctp.mx/index.html# Mesoamerican Centre for Theoretical Physics]</ref> and the School of Mathematics of Latin America and the Caribbean.<ref>[http://mvlascoh.wixsite.com/ceom/comite-organizador School of Mathematics of Latin America and the Caribbean]</ref> She has been elected to the [[Academia Nacional de Ciencias (Costa Rica)|Costa Rican National Academy of Science]].<ref>{{Cite web |title=Miembros de la Academia |url=https://www.anc.cr/miembros/team/xenia-de-la-ossa |access-date=2022-03-14 |website=www.anc.cr |publisher=Academia National de Ciencias}}</ref> She has been invited as speaker to many conferences at academic institutions around the world.<ref>[http://www.math.harvard.edu/jdg/2002.html JDG 2002: Fifth Conference on Geometry and Topology]</ref><ref>[https://nms.kcl.ac.uk/sakura.schafer-nameki/MOST/MOSTPOSTER.pdf Mathematics of String Theory]</ref><ref>[http://www.bctp.uni-bonn.de/data/files/BCTP_Newsletter_2016_02.pdf Bethe Center for Theoretical Physics]</ref><ref>[https://cgp.ibs.re.kr/activities/seminars/231/1642 Institute for Basic Science(IBS)]</ref><ref>[https://www.icmat.es/congresos/2016/hitchin70/speakers.php A celebration of Nigel Hitchin's 70th birthday in honour of his contributions to mathematics]</ref>

In 2019 she was awarded the Dean’s Distinguished Visiting Professorship by the [[Fields Institute]] in Toronto and the Mathematics Department of Toronto University.<ref>{{Cite web |date=26 November 2018 |title=Xenia de la Ossa awarded the Dean's Distinguished Visiting Professorship by the Fields Institute in Toronto |url=https://www.maths.ox.ac.uk/node/30821 |access-date=2022-03-14 |website=www.maths.ox.ac.uk |publisher=Mathematical Institute, University of Oxford}}</ref>


She has also been principal investigator for the project entitled ''Vacuum States of the Heterotic String,''<ref>[http://gtr.rcuk.ac.uk/projects?ref=EP%2FJ010790%2F1 Vacuum States of the Heterotic String]</ref> supported by a grant from the Engineering and Physical Sciences Research Council (EPSRC).<ref>[https://www.epsrc.ac.uk/ Engineering and Physical Sciences Research Council (EPSRC)]</ref>
She has also been principal investigator for the project entitled ''Vacuum States of the Heterotic String,''<ref>[http://gtr.rcuk.ac.uk/projects?ref=EP%2FJ010790%2F1 Vacuum States of the Heterotic String]</ref> supported by a grant from the Engineering and Physical Sciences Research Council (EPSRC).<ref>[https://www.epsrc.ac.uk/ Engineering and Physical Sciences Research Council (EPSRC)]</ref>
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==Personal life==
==Personal life==


Xenia de la Ossa is married to British physicist and mathematician [[Philip Candelas]] and has two daughters.<ref name=whoswho>{{Who's Who | surname = CANDELAS | othernames = Prof. Philip | id = U42632 | volume = 2017 | edition = online [[Oxford University Press]]|location=Oxford}} {{subscription required}}</ref><ref name="CV">{{cite web|url=http://www.maths.ox.ac.uk/system/files/user-cvs/candelas.pdf|title= Philip Candelas's CV|website=www.maths.ox.ac.uk}}</ref>
Xenia de la Ossa is married to British physicist and mathematician [[Philip Candelas]] and has two daughters.<ref name=whoswho>{{Who's Who | title=CANDELAS, Prof. Philip | id = U42632 | volume = 2017 | edition = online [[Oxford University Press]]|location=Oxford}}</ref><ref name="CV">{{cite web|url=http://www.maths.ox.ac.uk/system/files/user-cvs/candelas.pdf|title= Philip Candelas's CV|website=www.maths.ox.ac.uk}}</ref>


== References ==
== References ==
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[[Category:University of Texas at Austin College of Natural Sciences alumni]]
[[Category:University of Texas at Austin College of Natural Sciences alumni]]
[[Category:Academics of the University of Oxford]]
[[Category:Academics of the University of Oxford]]
[[Category:20th-century British physicists]]
[[Category:20th-century British physicists]]
[[Category:20th-century British women scientists]]
[[Category:20th-century British women scientists]]
[[Category:21st-century British physicists]]
[[Category:21st-century British physicists]]

Latest revision as of 23:42, 14 August 2023

In this Spanish name, the first or paternal surname is de la Ossa and the second or maternal family name is Osegueda.
Picture taken in the garden at the location of Geometric, Algebraic and Topological Methods for Quantum Field Theory Villa de Leyva Summer School – 2017

Xenia de la Ossa Osegueda (born 30 June 1958, San José, Costa Rica) is a theoretical physicist whose research focuses on mathematical structures that arise in string theory.[1] She is a professor at Oxford's Mathematical Institute.[2]

Academic career

[edit]
Picture taken during a lecture of professor Xenia de la Ossa at the Geometric, Algebraic and Topological Methods for Quantum Field Theory Villa de Leyva Summer School – 2017.[3]

Xenia de la Ossa received her PhD from University of Texas at Austin with the dissertation Quantum Calabi-Yau Manifolds and Mirror Symmetry written under the supervision of Willy Fischler.[4]

She was at the Institute for Advanced Study from 1993 to 1995.[5]

Xenia de la Ossa is known for her contributions to mathematical physics with much of her work focusing on string theory and its interplay with algebraic geometry. In 1991, she coauthored "A pair of Calabi-Yau manifolds as an exactly soluble superconformal theory",[6] which contained remarkable predictions about the number of rational curves on a quintic threefold.[7] This was the first work to use mirror symmetry in order to make enumerative predictions in algebraic geometry, which moreover went far beyond what could be proved at the time using the available techniques within the area.[8]

This paper was cited in books about string theory. In 2004, Roger Penrose mentioned it in his book The Road to Reality:

I have to admit to there being the appearance of something of genuine significance ‘going on behind the scenes’ in some aspects of string/ M-theory. As the mathematician, Richard Thomas, of Imperial College London remarked to me, in an e-mail message: ‘’ I can’t emphasize enough how deep some of these dualities are: they constantly surprise us with new predictions. They show up structure never thought possible. Mathematicians confidently predicted several times that these things weren’t possible, but people like Candelas, de la Ossa, et al. have shown this to be wrong. Every prediction made, suitably interpreted mathematically, has turned out to be correct. And not for any conceptual maths reason so far – we have no idea why they’re true, we just compute both sides independently and indeed find the same structures, symmetries and answers on both sides. To a mathematician these things cannot be coincidence, they must come from a higher reason. And that reason is the assumption that this big mathematical theory describes nature…’’.[9]

The breakthrough enumerative predictions of the de la Ossa et al paper were eventually confirmed for low degrees of the curves (up to 9) and required corrections in higher degree.

Professor de la Ossa has belonged to scientific committees of several organizations for the promotion of scientific events in Latin America, among them the Mesoamerican Centre for Theoretical Physics[10] and the School of Mathematics of Latin America and the Caribbean.[11] She has been elected to the Costa Rican National Academy of Science.[12] She has been invited as speaker to many conferences at academic institutions around the world.[13][14][15][16][17]

In 2019 she was awarded the Dean’s Distinguished Visiting Professorship by the Fields Institute in Toronto and the Mathematics Department of Toronto University.[18]

She has also been principal investigator for the project entitled Vacuum States of the Heterotic String,[19] supported by a grant from the Engineering and Physical Sciences Research Council (EPSRC).[20]

Personal life

[edit]

Xenia de la Ossa is married to British physicist and mathematician Philip Candelas and has two daughters.[21][22]

References

[edit]
  1. ^ Scientific publications on INSPIRE-HEP
  2. ^ Academic Faculty - University of Oxford
  3. ^ Geometric, Algebraic and Topological Methods for Quantum Field Theory Villa de Leyva Summer School – 2017
  4. ^ Xenia de la Ossa at the Mathematics Genealogy Project
  5. ^ Scholars - Institute for Advanced Study
  6. ^ Philip Candelas; Xenia de la Ossa; Paul S. Green; Linda Parkes (1991), "A pair of Calabi-Yau manifolds as an exactly soluble superconformal theory", Nuclear Physics B, 359 (1): 21–74, Bibcode:1991NuPhB.359...21C, doi:10.1016/0550-3213(91)90292-6
  7. ^ Hori, Kentaro; Katz, Sheldon; Klemm, Albrecht; Pandharipande, Rahul; Thomas, Richard; Vafa, Cumrun; Vakil, Ravi; Zaslow, Eric (2003). Mirror symmetry. Clay Mathematics Monographs. Vol. 1. Providence, RI: American Mathematical Society. ISBN 0-8218-2955-6.
  8. ^ Cox, David A.; Katz, Sheldon (1999). Mirror symmetry and algebraic geometry. Providence, RI: American Mathematical Society. ISBN 0-8218-1059-6.
  9. ^ Penrose, Roger (2004). The Road to Reality: A Complete Guide to the Laws of the Universe. London: Alfred A. Knopf. ISBN 978-0679454434.
  10. ^ Mesoamerican Centre for Theoretical Physics
  11. ^ School of Mathematics of Latin America and the Caribbean
  12. ^ "Miembros de la Academia". www.anc.cr. Academia National de Ciencias. Retrieved 14 March 2022.
  13. ^ JDG 2002: Fifth Conference on Geometry and Topology
  14. ^ Mathematics of String Theory
  15. ^ Bethe Center for Theoretical Physics
  16. ^ Institute for Basic Science(IBS)
  17. ^ A celebration of Nigel Hitchin's 70th birthday in honour of his contributions to mathematics
  18. ^ "Xenia de la Ossa awarded the Dean's Distinguished Visiting Professorship by the Fields Institute in Toronto". www.maths.ox.ac.uk. Mathematical Institute, University of Oxford. 26 November 2018. Retrieved 14 March 2022.
  19. ^ Vacuum States of the Heterotic String
  20. ^ Engineering and Physical Sciences Research Council (EPSRC)
  21. ^ "CANDELAS, Prof. Philip". Who's Who. Vol. 2017 (online Oxford University Press ed.). Oxford: A & C Black. (Subscription or UK public library membership required.)
  22. ^ "Philip Candelas's CV" (PDF). www.maths.ox.ac.uk.
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