Research interests

Discrete geometry: graph curvature, hyperbolic buildings, simplicial complexes Geometric analysis: uniformly quasiregular mappings on manifolds, Lattès-type mappings

Publications

Preprints:

David Cushing, Riikka Kangaslampi, Yong Lin, Shiping Liu, Linyuan Lu, and Shing-Tung Yau Ricci-flat cubic graphs with girth five To appear in Communications in Analysis and Geometry, Preprint (2018) available at arXiv:1802.02982 David Cushing, Riikka Kangaslampi, Yong Lin, Shiping Liu, Linyuan Lu, and Shing-Tung Yau Erratum for Ricci-flat graphs with girth at least five To appear in Communications in Analysis and Geometry, Preprint (2018) available at arXiv:1802.02979 Riikka Kangaslampi On surface subgroups of 1- and 3-vertex polyhedra forming triangular hyperbolic buildings Preprint 2014, arXiv 1410.4655

Scientific articles in refereed journals:

David Cushing, Riikka Kangaslampi, Valtteri Lipiäinen, Shiping Liu, and George W. Stagg The Graph Curvature Calculator and the curvatures of cubic graphs Experimental Mathematics, online version 14.9.2019. Preprint at arXiv:1712.03033 Riikka Kangaslampi and Alina Vdovina Hyperbolic triangular buildings without periodic planes of genus two Experimental Mathematics 26 (2017), no. 1, pp. 54-61. Lisa Carbone, Riikka Kangaslampi, and Alina Vdovina Groups acting simply transitively on vertex sets of hyperbolic triangular buildings LMS Journal of Computation and Mathematics 15, 2012, pp. 101-112. Riikka Kangaslampi, Kirsi Peltonen, and Jang-Mei Wu Uniformly quasiregular maps with toroidal Julia sets Conformal Geometry and Dynamics 16, 2012, pp. 81-88. Laura Astola, Riikka Kangaslampi, and Kirsi Peltonen Lattès-type mappings on compact manifolds Conformal Geometry and Dynamics 14, 2010, pp. 337-367. Kangaslampi, Riikka and Vdovina, Alina Cocompact actions on hyperbolic buildings International Journal of Algebra and Computation 20(4), 2010, pp. 591-603. Kangaslampi, Riikka and Vdovina, Alina. Triangular hyperbolic buildings. C. R. Math. Acad. Sci. Paris 342 (2006), no. 2, pp. 125-128.

Theses:

Kangaslampi, Riikka Uniformly quasiregular mappings on elliptic riemannian manifolds Ann. Acad. Sci. Fenn. Math. Diss. 151 (2008), 69 p. (doctoral thesis) Kangaslampi, Riikka Tasaisesti kvasisäännölliset kuvaukset ja elliptiset Riemannin monistot (licentiate's thesis 2006) Kangaslampi, Riikka Constructing contact structures on three-manifolds (master's thesis 2002)

Popularizing & teaching mathematics etc:

Kangaslampi, Riikka and Vapaavuori, Jaana Fysiikka, matematiikka ja diversiteetti, Arkhimedes 1/2013. Kangaslampi, Riikka and Majander, Helle Geometrisia havaintoja tekemässä, Matematiikkalehti Solmu 1/2013. Kangaslampi, Riikka IMO 1998, Matematiikkalehti Solmu 1/1998-1999.

Data and Software:

Data and scripts on the hyperbolic triangular buildings project

Theses and articles by my students:

Anniina Myötyri Yliopistomatematiikan opiskelun aloittamisen tukeminen, master's thesis, Tampere University 2020. Milla Lohikainen Geogebra-oppimisaihion kehittäminen monikulmioiden opiskeluun yläkoulussa, master's thesis, Tampere University 2019. Milla Lohikainen Monikulmioita Geogebralla, Dimensio 2/2019. Leevi Korkeala Hyperbolisten ryhmien pinta-aliryhmät, bachelor thesis, Aalto University 2018. Valtteri Lipiäinen Verkkojen Ollivier-Ricci-kaarevuus, bachelor thesis 2017. Miio Taarna Julkisen liikenteen verkostojen tarkastelu verkkoteorian keinoin, bachelor thesis 2017. Ville Romanov Verkkojen teoriaa Königsbergistä internetiin, Matematiikkalehti Solmu 3/2016. Iiro Mäkinen Tuntiopettajien työnjako kaksijakoisen verkon paritusongelmana, bachelor thesis 2016.