Publications

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Stetkær, H. (2001). General trigonometric functional equations. In The Thirty-eighth International Symposium on Functional Equations (pp. 296)

Stetkær, H. (2001). Functional equations and spherical functions. In Abstracts of papers presented to the American Mathematical Society, vol. 22, nr. 1 (pp. 92)

Stetkær, H. (2007). Representations, convolution square roots and spherical vectors. Journal of Functional Analysis, 252, 1-33. https://doi.org/10.1016/j.jfa.2007.08.001

Stetkær, H. (2007). Properties of d'Alembert functions. Department of Mathematical Sciences , University of Aarhus. http://www.imf.au.dk/publs?id=657

Stetkær, H. (2009). Properties of d'Alembert functions. Aequationes Mathematicae, 77(3), 281 - 301. https://doi.org/10.1007/s00010-008-2934-x

Stetkær, H. (2013). Functional equations on groups. World Scientific. https://doi.org/10.1142/8830

Stetkær, H. (2013). D'Alembert's functional equation on groups. In Recent developments in functional equations and inequalities: Selected topics (pp. 173-191). Polish Academy of Sciences, Institute of Mathematics. https://doi.org/10.4064/bc99-0-11

Stetkær, H. (2015). A Variant of d'Alembert's Functional Equation. Aequationes Mathematicae, 89(3), 657-662. https://doi.org/10.1007/s00010-014-0253-y

Stetkær, H. (2016). A link between Wilson’s and d’Alembert’s functional equations. Aequationes Mathematicae, 90(2), 407-409. https://doi.org/10.1007/s00010-015-0336-4

Stetkær, H. (2016). Van Vleck’s functional equation for the sine. Aequationes Mathematicae, 90(1), 25-34. https://doi.org/10.1007/s00010-015-0349-z

Stetkær, H. (2016). The cosine addition law with an additional term. Aequationes Mathematicae, 90(6), 1147–1168. https://doi.org/10.1007/s00010-016-0432-0

Stetkær, H. (2017). The kernel of the second order Cauchy difference on semigroups. Aequationes Mathematicae, 91(2), 279–288. https://doi.org/10.1007/s00010-016-0453-8

Stetkær, H. (2017). A note on Wilson’s functional equation. Aequationes Mathematicae, 91(5), 945-947. https://doi.org/10.1007/s00010-017-0481-z

Stetkær, H. (2017). Kannappan’s functional equation on semigroups with involution. Semigroup Forum, 94(1), 17-30. https://doi.org/10.1007/s00233-015-9756-7

Stetkær, H. (2019). Extensions of the sine addition law on groups. Aequationes Mathematicae, 93(2), 467-484. https://doi.org/10.1007/s00010-018-0584-1

Stetkær, H. (2020). More about Wilson’s functional equation. Aequationes Mathematicae, 94(3), 429-446. https://doi.org/10.1007/s00010-019-00654-9

Stetkær, H. (2021). k-Valued Wilson functions. Aequationes Mathematicae, 95(6), 1131-1147. https://doi.org/10.1007/s00010-021-00784-z

Stetkær, H. (2022). Homomorphisms of Product Semigroups. Results in Mathematics, 77(2), Article 60. https://doi.org/10.1007/s00025-022-01603-w

Stetkær, H. (2022). A Levi–Civita functional equation on semigroups. Aequationes Mathematicae, 96, 115-127. https://doi.org/10.1007/s00010-021-00865-z

Stetkær, H. (2023). Exponential polynomials and the sine addition law on magmas. Aequationes Mathematicae, 97(5-6), 963-979. https://doi.org/10.1007/s00010-023-00965-y

Stetkær, H. (2024). The equation f(xy)=f(x)h(y)+g(x)f(y) and representations on C². Aequationes Mathematicae, 98(5), 1419-1438. https://doi.org/10.1007/s00010-023-01014-4

Stetkær, H. (2025). On a sine addition/subtraction law on semigroups. Aequationes Mathematicae, 99(6), 2699-2711. https://doi.org/10.1007/s00010-025-01179-0

Stetkær, H. (2025). On centrality of solutions of generalized addition and subtraction laws. Aequationes Mathematicae, 99(5), 2187-2211. https://doi.org/10.1007/s00010-025-01226-w

Stetkaer, H. (2021). The small dimension lemma and d'Alembert's equation on semigroups. Aequationes Mathematicae, 95(2), 281-299. https://doi.org/10.1007/s00010-020-00746-x

Spotti, C., Sun, S. & Yao, C. (2016). Existence and deformations of Kähler–Einstein metrics on smoothable ℚ-Fano varieties. Duke Mathematical Journal, 165(16), 3043-3083. https://doi.org/10.1215/00127094-3645330

Spotti, C. (2017). Kahler-Einstein metrics on Q-smoothable Fano varieties, their moduli and some applications. In Complex and Symplectic Geometry Springer.

Spotti, C. (2016). MR3507265 Zhang, Yuguang. Collapsing of negative Kähler-Einstein metrics. Math. Res. Lett. 22 (2015), no. 6, 1843–1869. MathSciNet. http://www.ams.org/mathscinet/search/publdoc.html?pg1=RVRI&pg3=authreviews&s1=1058552&sort=Newest&vfpref=html&r=5&mx-pid=3507265

Spotti, C. & Sun, S. (2017). Explicit Gromov-Hausdorff compactifications of moduli spaces of Kähler-Einstein Fano manifolds. (pp. 477-515). ArXiv. https://doi.org/10.4310/PAMQ.2017.v13.n3.a5

Spotti, C. (2017). Kähler-Einstein metrics on ℚ -smoothable Fano varieties, their moduli and some applications. In Springer INdAM Series (Vol. 21, pp. 211-229). Springer. https://doi.org/10.1007/978-3-319-62914-8_16

Spotti, C. & Sun, S. (2017). Explicit Gromov–Hausdorff compactifications of moduli spaces of Kähler–Einstein Fano manifolds. Pure and Applied Mathematics Quarterly, 13(3), 477-515. https://doi.org/10.4310/PAMQ.2017.v13.n3.a5

Spotti, C. & de Borbon, M. (2019). Local models for conical Kähler-Einstein metrics. Proceedings of the American Mathematical Society, 147(3), 1217-1230. https://doi.org/10.1090/proc/14302

Spotti, C., Angella, D. & Calamai, S. (2020). Remarks on Chern-Einstein Hermitian metrics. (pp. 1707-1722). Mathematische Zeitschrift. https://doi.org/10.1007/s00209-019-02424-4

Spotti, C. (2019). Kähler-Einstein metrics via moduli continuity method. In G. Codogni, R. Dervan & F. Viviani (Eds.), Springer INdAM Series (pp. 141-152). Springer. https://doi.org/10.1007/978-3-030-13158-6_7

Spotti, C. & Sektnan, L. M. (2021). Extremal metrics on the total space of destabilising test configurations. ArXiv. https://arxiv.org/abs/2110.07496

Spotti, C., Angella, D., Calamai, S. & Pediconi, F. (2022). A moment map for twisted-Hamiltonian vector fields on locally conformally Kähler manifolds. ArXiv. https://arxiv.org/abs/2207.06863

Spotti, C. & de Borbon, M. (2023). Some models for bubbling of (log) Kähler-Einstein metrics.

Spotti, C. & Giusti, F. (2023). A Kümmer construction for Chern-Ricci flat balanced manifolds. ArXiv.

Speyer, D., Jensen, A. N., Bogart, T., Sturmfels, B. & Thomas, R. (2005). Computing Tropical Varieties.

Skibsted, E. (2002). Asymptotic absolute continuity for perturbed time-dependent quadratic Hamiltonians. Proceedings - Mathematical Sciences, 112(1), 209-228.

Skibsted, E. (2003). Long-range scattering of three-body quantum systems: Asymptotic completeness. Inventiones Mathematicae, 151, 65-99.

Skibsted, E. (2003). Long-range scattering of three-body quantum systems, II. Annales Henri Poincare, 4(2), 276-299.

Skibsted, E. & Fournais, S. (2005). Zero energy asymptotics of the resolvent in the long-range case. In J.-C. Zambrini (Ed.), XIVth International Congress on Mathematical Physics: Lisbon 28 July -- 2 August 2003 (pp. 611-618). World Scientific.

Skibsted, E. (2006). Long-range scattering at low energies. In Spectral and Scattering Theory and Related Topics (No.: 7 ed., Vol. 198 pages, pp. 104--108). RIMS.

Skibsted, E. (1994). Absolute spectral continuity for N-body Stark Hamiltonians. Ann. Inst. H. Poincaré Phys. Théor., 61(2), 223-243.

Skibsted, E. (1997). Asymptotic completeness for particles in combined constant electric and magnetic fields. II. Duke Math. J., 89(2), 307-350.

Skibsted, E. (1998). Spectral analysis of N-body systems coupled to a bosonic field. Rev. Math. Phys., 10(7), 989-1026.

Skibsted, E. (1996). On the asymptotic completeness for particles in constant electromagnetic. In L. Hörmander & A. Melin (Eds.), Partial differential equations and mathematical physics (pp. 286-320). Birkhäuser Verlag.

Skibsted, E. & Derezinski, J. (2008). Classical scattering at low energies. In Perspectives in operator algebras and mathematical physics: conference proceedings, Bucharest, august 10-17, 2005 (pp. 51-83). Theta Foundation.

Skibsted, E. & Wang, X. P. (2011). Two-body threshold spectral analysis, the critical case. Journal of Functional Analysis, 260(6), 1766-1794. https://doi.org/10.1016/j.jfa.2010.12.014

Skibsted, E. & Wang, X. P. (2010). Two-body threshold spectral analysis, the critical case. Aarhus University. http://www.imf.au.dk/publs?publid=873

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Revised 06.01.2026

Lars Madsen