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Author: Krupka, Demeter

• Chao, Dao Qui; Krupka, Demeter: 3rd order differential invariants of coframes. (English). Mathematica Slovaca, vol. 49 (1999), issue 5, pp. 563-576
• Krupka, Demeter: Geometry of Lagrangean structures. 3. (English). In: Frolík, Z., Souček, V. and Fabián, M. (eds.): Proceedings of the 14th Winter School on Abstract Analysis. Circolo Matematico di Palermo, Palermo, 1987. pp. [187]-224
• Krupka, Demeter: Geometry of Lagrangean structures. I. (English). Archivum Mathematicum, vol. 22 (1986), issue 3, pp. 159-173
• Krupka, Demeter: Geometry of Lagrangean structures. II. (English). Archivum Mathematicum, vol. 22 (1986), issue 4, pp. 211-228
• Krupka, Demeter; Sattarov, Abdurasoul Ezbekhovich: The inverse problem of the calculus of variations for Finsler structures. (English). Mathematica Slovaca, vol. 35 (1985), issue 3, pp. 217-222
• Krupka, Demeter; Musilová, Jana: Hamilton extremals in higher order mechanics. (English). Archivum Mathematicum, vol. 20 (1984), issue 1, pp. 21-30
• Krupka, Demeter; Mikolášová, Věra: On the uniqueness of some differential invariants: $d$, $[,]$, $\nabla$. (English). Czechoslovak Mathematical Journal, vol. 34 (1984), issue 4, pp. 588-597
• Krupka, Demeter; Musilová, Jana: Pohybové integrály v mechanice vyššího řádu a v teorii polí. (Czech) [Integrals of motion in higher order mechanics and in field theory]. Pokroky matematiky, fyziky a astronomie, vol. 28 (1983), issue 5, pp. 259-266
• Krupka, Demeter: A remark on algebraic identities for the covariant derivative of the curvature tensor. (English). Archivum Mathematicum, vol. 16 (1980), issue 4, pp. 205-212
• Krupka, Demeter: Fundamental vector fields on type fibres of jet prolongations of tensor bundles. (English). Mathematica Slovaca, vol. 29 (1979), issue 2, pp. 159-167
• Krupka, Demeter: Reducibility theorems for differentiable liftings in fiber bundles. (English). Archivum Mathematicum, vol. 15 (1979), issue 2, pp. 93-106
• Krupka, Demeter: Elementary theory of differential invariants. (English). Archivum Mathematicum, vol. 14 (1978), issue 4, pp. 207-214
• Krupka, Demeter: A map associated to the Lepagian forms on the calculus of variations in fibred manifolds. (English). Czechoslovak Mathematical Journal, vol. 27 (1977), issue 1, pp. 114-117,118
• Krupka, Demeter: On a class of variational problems defined by polynomial Lagrangians. (English). Archivum Mathematicum, vol. 12 (1976), issue 2, pp. 99-105
• Krupka, Demeter: Of the structure of the Euler mapping. (English). Archivum Mathematicum, vol. 10 (1974), issue 1, pp. 55-61