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Dive into the research topics where Ragnar Sigurðsson is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Polynomials with exponents in compact convex sets and associated weighted extremal functions – The Bernstein–Walsh–Siciak theorem
Magnússon, B. S., Sigurðsson, R. & Snorrason, B., 2025, In: Annales Polonici Mathematici. 134, 1, p. 81-92 12 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Polynomials with exponents in compact convex sets and associated weighted extremal functions: The Siciak-Zakharyuta theorem
Magnússon, B. S., Sigurðardóttir, Á. E. & Sigurðsson, R., Sept 2024, In: Complex Analysis and its Synergies. 10, 3, 12.Research output: Contribution to journal › Article › peer-review
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Polynomials with exponents in compact convex sets and associated weighted extremal functions – fundamental results
Magnússon, B. S., Sigurðardóttir, Á. E., Sigurðsson, R. & Snorrason, B., 2024, In: Annales Polonici Mathematici. 133, 1, p. 37-70 34 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Plurisubharmonicity of envelopes of disc functionals on manifolds
Larusson, F. & Sigurdsson, R., 14 Feb 2020, In: Journal fur die Reine und Angewandte Mathematik. 2003, 555, p. 27-38 12 p.Research output: Contribution to journal › Article › peer-review
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Monge–ampère measures of plurisubharmonic exhaustions associated to the lie norm of holomorphic maps
Sigurdsson, R. & Snæbjarnarson, A. S., 2019, In: Annales Polonici Mathematici. 123, 1, p. 481-504 24 p.Research output: Contribution to journal › Article › peer-review