VOL. 56 · NO. 1 | April 2018
 
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Articles
Ivan Arzhantsev
Ark. Mat. 56 (1), 1-14, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a1
KEYWORDS: quasiaffine variety, automorphism, transitivity, torus action, rigidity, 14J50, 14M17, 13A50, 14L30, 14R20
Simion Breaz, Jan Žemlička
Ark. Mat. 56 (1), 15-32, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a2
KEYWORDS: silting, precovering class, preenveloping class, torsion theory, cosilting, 16D90, 16E30, 18G15
Dominique Cerveau, Bruno Scárdua
Ark. Mat. 56 (1), 33-44, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a3
Changhao Chen
Ark. Mat. 56 (1), 45-52, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a4
KEYWORDS: finite fields, Salem sets, 05B25, 52C99
Cristina Costoya, Jérôme Scherer, Antonio Viruel
Ark. Mat. 56 (1), 53-71, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a5
KEYWORDS: nilpotent, homotopy nilpotent, cocategory, algebraic theory, Goodwillie calculus, excisive functor, $p$-compact group, 55P35, 18C10, 55M30, 55P65
Matteo Gallet, Kristian Ranestad, Nelly Villamizar
Ark. Mat. 56 (1), 73-99, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a6
KEYWORDS: toric surfaces, apolarity, apolar schemes, powersum varieties, 14J99, 14M25, 14N99
Łukasz Kosiński, Étienne Martel, Thomas Ransford
Ark. Mat. 56 (1), 101-109, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a7
Richard S. Laugesen, Shiya Liu
Ark. Mat. 56 (1), 111-145, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a8
KEYWORDS: lattice points, planar convex domain, $p$-ellipse, Lamé curve, spectral optimization, Laplacian, Dirichlet eigenvalues, Neumann eigenvalues, 35P15, 11P21, 52C05
Hannes Luiro
Ark. Mat. 56 (1), 147-161, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a9
KEYWORDS: 26A45, 42B25, 46E35
Karl-Mikael Perfekt, Alexander Pushnitski
Ark. Mat. 56 (1), 163-183, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a10
KEYWORDS: multiplicative Hilbert matrix, Helson matrix, absolutely continuous spectrum, 47B32, 47B35
Christian Rosendal
Ark. Mat. 56 (1), 185-206, (April 2018) DOI: 10.4310/ARKIV.2018.v56.n1.a11
KEYWORDS: metrisable groups, left-invariant metrics, Hilbert’s fifth problem, Lipschitz structure, 22A10, 03E15
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