Proceedings of the 2nd meeting on quaternionic structures in mathematics and physics, Roma, Italy, September 6--10, 1999. Dedicated to the memory of André Lichnerowicz and Enzo Martinelli (Q2706553)

The articles of this volume will be reviewed individually. The preceding conference (1, 1994) has been reviewed (see Zbl 0934.00021).NEWLINENEWLINEIndexed articles:NEWLINENEWLINE\textit{Barberis, María Laura}, Hypercomplex structures on special classes of nilpotent and solvable Lie groups, 1-5, electronic only [Zbl 0984.22005]NEWLINENEWLINE\textit{Bielawski, Roger}, Twistor quotients of hyperkähler manifolds, 7-21, electronic only [Zbl 0991.53026]NEWLINENEWLINE\textit{Biquard, Olivier}, Quaternionic contact structures, 23-30, electronic only [Zbl 0993.53017]NEWLINENEWLINE\textit{Cortés, Vicente}, A new construction of homogeneous quaternionic manifolds and related geometric structures, 31-100, electronic only [Zbl 0991.53048]NEWLINENEWLINE\textit{Dimiev, St.; Lazov, R.; Milev, N.}, Spencer manifolds, 101-115, electronic only [Zbl 0984.53012]NEWLINENEWLINE\textit{Dotti, Isabel G.}, Quaternion Kähler flat manifolds, 117-123, electronic only [Zbl 0985.53028]NEWLINENEWLINE\textit{Eriksson-Bique, Sirkka-Liisa}, Hyperholomorphic functions in \(\mathbb{R}^4\), 125-135, electronic only [Zbl 0965.30021]NEWLINENEWLINE\textit{Grantcharov, Gueo; Ornea, Liviu}, A note on the reduction of Sasakian manifolds, 137-142, electronic only [Zbl 0997.53065]NEWLINENEWLINE\textit{Joyce, Dominic}, A theory of quaternionic algebra, with applications to hypercomplex geometry, 143-194, electronic only [Zbl 0987.53021]NEWLINENEWLINE\textit{Kaledin, D.}, A canonical hyperkähler metric on the total space of a cotangent bundle, 195-230, electronic only [Zbl 1035.53063]NEWLINENEWLINE\textit{Konno, Hiroshi}, Equivariant cohomology rings of toric hyperkähler manifolds, 231-240, electronic only [Zbl 0991.53028]NEWLINENEWLINE\textit{Ławrynowicz, Julian; Suzuki, Osamu}, An introduction to pseudotwistors basic constructions, 241-252, electronic only [Zbl 0986.32009]NEWLINENEWLINE\textit{Maeda, Sadahiro; Adachi, Toshiaki}, Differential geometry of circles in a complex projective space, 253-263, electronic only [Zbl 0987.53012]NEWLINENEWLINE\textit{Mikeš, Josef; Bělohlávková, Jana; Pokorná, Olga}, On special 4-planar mappings of almost Hermitian quaternionic spaces, 265-271, electronic only [Zbl 1032.53008]NEWLINENEWLINE\textit{Moroianu, Andrei}, Special spinors and contact geometry, 273-283, electronic only [Zbl 0990.53049]NEWLINENEWLINE\textit{Nagatomo, Yasuyuki}, Generalized ADHM-construction on Wolf spaces, 285-293, electronic only [Zbl 1033.53042]NEWLINENEWLINE\textit{Nitta, Takashi; Taniguchi, Tadashi}, \(Sp(1)^n\)-invariant quaternionic Kähler metric, 295-297, electronic only [Zbl 1019.53018]NEWLINENEWLINE\textit{Papadopoulos, G.}, Brane solitons and hypercomplex structures, 299-312, electronic only [Zbl 1060.53055]NEWLINENEWLINE\textit{Pedersen, Henrik}, Hypercomplex geometry, 313-320, electronic only [Zbl 0990.53047]NEWLINENEWLINE\textit{Poon, Yat Sun}, Examples of hyper-Kähler connections with torsion, 321-327, electronic only [Zbl 0989.53028]NEWLINENEWLINE\textit{Prástaro, Agostino}, Theorems of existence of local and global solutions of PDEs in the category of noncommutative quaternionic manifolds, 329-337, electronic only [Zbl 0978.81038]NEWLINENEWLINE\textit{Puta, Mircea}, Optimal control problems on the Lie group SP(1), 339-347, electronic only [Zbl 0997.49001]NEWLINENEWLINE\textit{Sawon, Justin}, A new weight system on chord diagrams via hyperkähler geometry, 349-363, electronic only [Zbl 1035.53064]NEWLINENEWLINE\textit{Scolarici, G.; Solombrino, L.}, Quaternionic group representations and their classifications, 365-375, electronic only [Zbl 0969.20006]NEWLINENEWLINE\textit{Semmelmann, Uwe; Weingart, Gregor}, Vanishing theorems for quaternionic Kähler manifolds, 377-404, electronic only [Zbl 0987.53018]NEWLINENEWLINE\textit{Swann, Andrew}, Weakening holonomy, 405-415, electronic only [Zbl 1028.53051]NEWLINENEWLINE\textit{Sweetser, D.; Sandri, G.}, Maxwell's vision: Electromagnetism with Hamilton's quaternions, 417-420, electronic only [Zbl 0973.78004]NEWLINENEWLINE\textit{van Proeyen, Antoine}, Special Kähler geometry, 421-437, electronic only [Zbl 1039.53081]NEWLINENEWLINE\textit{Verbitsky, Misha}, Singularities in hyperkähler geometry, 439-469, electronic only [Zbl 1028.53050]NEWLINENEWLINE\textit{Acharya, B. S.; Figueroa-O'Farrill, J. M.; Hull, C. M.; Spence, B.}, Branes at conical singularities and holography, Article No 8, 38 p., electronic only [Zbl 1058.83533]NEWLINENEWLINE\textit{Csaki, Csaba; Russo, Jorge; Sfetsos, Konstadinos; Terning, John}, Supergravity models for \(3+1\) dimensional QCD, Article No. 9, 27 p., electronic only [Zbl 1058.83539]