Keith Martin Ball

{{Short description|British mathematician}}

{{For|the footballer|Keith Ball}}

{{Use dmy dates|date=August 2017}}

{{EngvarB|date=August 2017}}

{{Infobox scientist

| honorific_prefix = Professor

| name = Keith Ball

| honorific_suffix = {{postnominals|country=GBR|size=100%|FRS|FRSE}}

| birth_name = Keith Martin Ball

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| image = Ball Keith.jpg

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| caption = Ball in 2009

| birth_date = {{Birth date and age|df=yes|1960|12|26}}{{cite web |url=http://www.ukwhoswho.com/view/article/oupww/whoswho/U256692 |title=BALL, Prof. Keith Martin |work=Who's Who 2014, A & C Black, an imprint of Bloomsbury Publishing plc, 2014; online edn, Oxford University Press |url-access=subscription |access-date=20 February 2014 |archive-date=14 February 2022 |archive-url=https://web.archive.org/web/20220214060230/https://www.ukwhoswho.com/view/10.1093/ww/9780199540884.001.0001/ww-9780199540884-e-256692;jsessionid=56AB92DDFEC6E5F842215FECC13631C6 |url-status=live }}

| birth_place = New York City

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| fields = {{Plainlist|

• Functional analysis
• Discrete geometry
• Information theory}}

| workplaces = {{Plainlist|

• University of Cambridge
• University of Warwick
• ICMS
• Texas A&M University
• University College London}}

| patrons =

| alma_mater = Trinity College, Cambridge

| thesis_title = Isometric problems in lp̲ and sections of convex sets

| thesis_url = http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384782

| thesis_year = 1986

| doctoral_advisor = Béla Bollobás{{MathGenealogy|id=70811}}

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| awards = {{Plainlist|

• FRS (2013)
• FRSE (2013){{cite web |url=https://rse.org.uk/fellowship/keith-ball/ |title=Professor Keith Martin Ball FRS FRSE |website=Royal Society of Edinburgh |access-date=14 February 2022 |archive-date=14 February 2022 |archive-url=https://web.archive.org/web/20220214060229/https://rse.org.uk/fellowship/keith-ball/ |url-status=live }}
• Shephard Prize (2015)}}

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| website = {{Plainlist|

• {{URL|keithmball.wordpress.com}}
• {{URL|http://www2.warwick.ac.uk/fac/sci/maths/people/staff/keith_ball}}}}

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}}Keith Martin Ball (born 26 December 1960) is a mathematician and professor at the University of Warwick. He was scientific director of the International Centre for Mathematical Sciences (ICMS) from 2010 to 2014.{{Scopus|id=7101771590}}{{Cite journal | doi = 10.1007/BF01231769| title = Sharp uniform convexity and smoothness inequalities for trace norms| journal = Inventiones Mathematicae| volume = 115| pages = 463–482| year = 1994| last1 = Ball | first1 = K. | last2 = Carlen | first2 = E. A. | last3 = Lieb | first3 = E. H.| bibcode = 1994InMat.115..463B| s2cid = 189831705}}{{Cite journal | doi = 10.1007/BF01896971| title = Markov chains, Riesz transforms and Lipschitz maps| journal = Geometric and Functional Analysis| volume = 2| issue = 2| pages = 137–172| year = 1992| last1 = Ball | first1 = K.| s2cid = 121182780}}{{Cite journal | doi = 10.1090/S0894-0347-04-00459-X| year = 2004| last1 = Artstein | first1 = S. |author1-link=Shiri Artstein| journal = Journal of the American Mathematical Society| volume = 17| issue = 4| pages = 975| last2 = Ball | first2 = K. M. | last3 = Barthe | first3 = F. | author3-link = Franck Barthe | last4 = Naor | first4 = A. | author4-link = Assaf Naor |title=Solution of Shannon's problem on the monotonicity of entropy | doi-access = free | url = http://discovery.ucl.ac.uk/12545/1/12545.pdf }}{{AcademicSearch|450602}}