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Published papers and preprints (most recent listed first)
-  Spiro Karigiannis, Christopher Lin, and John Loftin; "Octonionic-algebraic structure and curvature of the Teichmüller space of G2 manifolds"; in preparation.
-  Shubham Dwivedi, Panagiotis Gianniotis, and Spiro Karigiannis; "Flows of G2-Structures, II: Curvature, torsion, symbols, and functionals"; in preparation.
-  Xenia de la Ossa, Spiro Karigiannis, and Eirik Eik Svanes; "Geometry of general U(m)-structures: Kähler identities, the ddc lemma, and Hodge theory"; in preparation.
-  Ki Fung Chan, Spiro Karigiannis, and Chi Cheuk Tsang; "The LB-cohomology on compact torsion-free G2 manifolds and an application to "almost" formality"; submitted for publication.
-  Ki Fung Chan, Spiro Karigiannis, and Chi Cheuk Tsang; "Cohomologies on almost complex manifolds and the ∂∂-lemma"; Asian Journal of Mathematics, to appear.
-  Spiro Karigiannis and Dominic Joyce; "A new construction of compact torsion-free G2 manifolds by gluing families of Eguchi-Hanson spaces"; Journal of Differential Geometry, to appear.
-  Spiro Karigiannis and Jason Lotay; "Deformation theory of G2 conifolds"; Communications in Analysis and Geometry, to appear.
-  Spiro Karigiannis and Nat Chun-Ho Leung; "Deformations of calibrated subbundles of Euclidean spaces via twisting by special sections"; Annals of Global Analysis and Geometry 42 (2012), 371-389. DOI: dx.doi.org/10.1007/s10455-012-9317-1
-  Spiro Karigiannis, Ben McKay, and Mao-Pei Tsui; "Soliton solutions for the Laplacian coflow of some G2-structures with symmetry"; Differential Geometry and its Applications 30 (2012), 318-333. DOI: dx.doi.org/10.1016/j.difgeo.2012.05.003
-  Spiro Karigiannis; "What is… a G2-manifold?"; Notices of the American Mathematical Society 58 (2011), 580-581. (EXPOSITORY)
-  Spiro Karigiannis; "Desingularization of G2 manifolds with isolated conical singularities"; Geometry and Topology 13 (2009), 1583-1655. DOI: dx.doi.org/10.2140/gt.2009.13.1583
-  Spiro Karigiannis; "Flows of Spin(7)-structures"; Proceedings of the 10th Conference on Differential Geometry and its Applications: DGA 2007; World Scientific Publishing, (2008), 263-277. DOI: dx.doi.org/10.1142/9789812790613_0023
-  Spiro Karigiannis and Naichung Conan Leung; "Hodge Theory for G2-manifolds: Intermediate Jacobians and Abel-Jacobi Maps"; Proceedings of the London Mathematical Society (3) 99 (2009), 297-325. DOI: dx.doi.org/10.1112/plms/pdp004
-  Spiro Karigiannis; "Flows of G2-Structures, I."; Quarterly Journal of Mathematics 60 (2009), 487-522. DOI: dx.doi.org/10.1093/qmath/han020
-  Spiro Karigiannis; "Some Notes on G2 and Spin(7) Geometry"; Recent Advances in Geometric Analysis; Advanced Lectures in Mathematics, Vol. 11; International Press, (2010), 129-146.
-  Spiro Karigiannis and Maung Min-Oo; "Calibrated Sub-Bundles in Non-Compact Manifolds of Special Holonomy"; Annals of Global Analysis and Geometry 28 (2005), 371-394. DOI: dx.doi.org/10.1007/s10455-005-1940-7
-  Marianty Ionel, Spiro Karigiannis, and Maung Min-Oo; "Bundle Construction of Calibrated Submanifolds in R7 and R8"; Mathematical Research Letters 12 (2005), 493-512.
-  Spiro Karigiannis; "Deformations of G2 and Spin(7) Structures on Manifolds"; Canadian Journal of Mathematics 57 (2005), 1012-1055. DOI: dx.doi.org/10.4153/CJM-2005-039-x
Harvard University PhD Thesis
Harvard University Minor Thesis
Undergraduate Expository Papers