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Author: Janyška, Josef

• Janyška, Josef: Remarks on natural differential operators with tensor fields. (English). Archivum Mathematicum, vol. 55 (2019), issue 5, pp. 289-308
• Janyška, Josef: Remarks on local Lie algebras of pairs of functions. (English). Czechoslovak Mathematical Journal, vol. 68 (2018), issue 3, pp. 687-709
• Janyška, Josef: On Lie algebras of generators of infinitesimal symmetries of almost-cosymplectic-contact structures. (English). Archivum Mathematicum, vol. 52 (2016), issue 5, pp. 325-339
• Janyška, Josef: Relations between constants of motion and conserved functions. (English). Archivum Mathematicum, vol. 51 (2015), issue 5, pp. 297-313
• Janyška, Josef: Hidden symmetries of the gravitational contact structure of the classical phase space of general relativistic test particle. (English). Archivum Mathematicum, vol. 50 (2014), issue 5, pp. 297-316
• Janyška, Josef; Markl, Martin: Combinatorial differential geometry and ideal Bianchi–Ricci identities II – the torsion case. (English). Archivum Mathematicum, vol. 48 (2012), issue 1, pp. 61-80
• Janyška, Josef: Geometric structures on the tangent bundle of the Einstein spacetime. (English). Archivum Mathematicum, vol. 42 (2006), issue 2, pp. 195-203
• Janyška, Josef: On the curvature of tensor product connections and covariant differentials. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 23rd Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2004. pp. [135]-143
• Janyška, Josef: Natural vector fields and 2-vector fields on the tangent bundle of a pseudo-Riemannian manifold. (English). Archivum Mathematicum, vol. 37 (2001), issue 2, pp. 143-160
• Janyška, Josef: A remark on natural quantum Lagrangians and natural generalized Schrödinger operators in Galilei quantum mechanics. (English). In: Slovák, Jan and Čadek, Martin (eds.): Proceedings of the 20th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 2001. pp. 117-128
• Janyška, Josef: Professor Karel Svoboda (1918-1997). (English). Archivum Mathematicum, vol. 34 (1998), issue 2, pp. I-III
• Janyška, Josef; Modugno, Marco: Relations between linear connections on the tangent bundle and connections on the jet bundle of a fibred manifold. (English). Archivum Mathematicum, vol. 32 (1996), issue 4, pp. 281-288
• Janyška, Josef: Natural symplectic structures on the tangent bundle of a space-time. (English). In: Slovák, Jan (ed.): Proceedings of the 15th Winter School "Geometry and Physics". Circolo Matematico di Palermo, Palermo, 1996. pp. [153]-171
• Janyška, Josef: Natural 2-forms on the tangent bundle of a Riemannian manifold. (English). In: Bureš, J. and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Topology". Circolo Matematico di Palermo, Palermo, 1993. pp. [165]-174
• Janyška, Josef: Remarks on the Nijenhuis tensor and almost complex connections. (English). Archivum Mathematicum, vol. 26 (1990), issue 3, pp. 229-239
• Janyška, Josef; Kolář, Ivan: On the connections naturally induced on the second order frame bundle. (English). Archivum Mathematicum, vol. 22 (1986), issue 1, pp. 21-28
• Janyška, Josef: Geometrical properties of prolongation functors. (English). Časopis pro pěstování matematiky, vol. 110 (1985), issue 1, pp. 77-86
• Janyška, Josef: On natural operations with linear connections. (English). Czechoslovak Mathematical Journal, vol. 35 (1985), issue 1, pp. 106-115
• Janyška, Josef: On the Lie algebra of vertical prolongation operators. (English). Czechoslovak Mathematical Journal, vol. 32 (1982), issue 3, pp. 481-487
• Janyška, Josef: On linear functions on the sphere $S^2$. (English). Czechoslovak Mathematical Journal, vol. 31 (1981), issue 1, pp. 75-82
• Janyška, Josef: A remark on linear functions on the sphere. (English). Archivum Mathematicum, vol. 17 (1981), issue 3, pp. 141-149