Geodesic
On the zeros of cosine polynomials: solution to a problem of Littlewood
Peter Borwein1 ; Tamás Erdélyi2 ; Ron Ferguson3 ; Richard Lockhart4
1 Department of Mathematics <br/>Simon Fraser University<br/>Burnaby BC V5A 1S6<br/>Canada
2 Department of Mathematics, Texas A&M University, College Station, TX 77843, United States
3 Department of Mathematics, Simon Fraser University, Burnaby BC V5A 1S6, Canada
4 Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby BC V5A 1S6, Canada
Annals of mathematics, Tome 167 (2008) no. 3, pp. 1109-1117.

Voir la notice de l'article provenant de la source Annals of Mathematics website

Littlewood in his 1968 monograph “Some Problems in Real and Complex Analysis” [12, Problem 22] poses the following research problem, which appears to be still open:
DOI : 10.4007/annals.2008.167.1109

Peter Borwein 1 ; Tamás Erdélyi 2 ; Ron Ferguson 3 ; Richard Lockhart 4

1 Department of Mathematics <br/>Simon Fraser University<br/>Burnaby BC V5A 1S6<br/>Canada
2 Department of Mathematics, Texas A&M University, College Station, TX 77843, United States
3 Department of Mathematics, Simon Fraser University, Burnaby BC V5A 1S6, Canada
4 Department of Statistics and Actuarial Science, Simon Fraser University, Burnaby BC V5A 1S6, Canada 
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Peter Borwein; Tamás Erdélyi; Ron Ferguson; Richard Lockhart. On the zeros of cosine polynomials: solution to a problem of Littlewood. Annals of mathematics, Tome 167 (2008) no. 3, pp. 1109-1117. doi : 10.4007/annals.2008.167.1109. http://geodesic.mathdoc.fr/articles/10.4007/annals.2008.167.1109/

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