Items where Year is 1991

A

Aluffi, P. and Faber, C. (1991) Linear orbits of smooth plane curves. MPIM Preprint Series 1991 (25).

André, Y. (1991) The Shafarevich conjecture for hyper-kählerian manifolds. MPIM Preprint Series 1991 (8).

Antoniadis, J. A. (1991) Modulformen auf $\Gamma_0(N)$. MPIM Preprint Series 1991 (24).

Azad, H. and Loeb, J. J. (1991) Plurisubharmonic functions and the Kempf-Ness theorem. MPIM Preprint Series 1991 (32).

B

Baues, H.-J. (1991) On the group of homotopy equivalences of a manifold. MPIM Preprint Series 1991 (90).

Baues, H. J. and Conduché, D. (1991) On the tensor algebra of a non abelian group and applications. MPIM Preprint Series 1991 (52).

Blokh, A. M. (1991) On some properties of graph maps: Spectral decomposition, Misiurewicz conjecture and abstract sets of periods. MPIM Preprint Series 1991 (35).

Bobenko, A. (1991) Theta function formulae for classical tops. MPIM Preprint Series 1991 (16).

Bobenko, A. I. and Kuksin, S. B. (1991) Finite-gap periodic solutions of the KdV equation are non-degenerate. MPIM Preprint Series 1991 (61).

Borovoi, M. V. (1991) Abelianization of the second non-abelian Galois cohomology. MPIM Preprint Series 1991 (83).

Bunke, U. (1991) On the spectral flow of families of Dirac operators with constant symbol. MPIM Preprint Series 1991 (86).

C

Cherednik, I. (1991) Notes on affine Hecke algebras I. MPIM Preprint Series 1991 (14).

Costa, A. and Friedman, E. (1991) Ratios of regulators of number fields. MPIM Preprint Series 1991 (69).

D

Degasperis, A. and Lebedev, D. and Oshanetsky, M. and Santini, P. M. (1991) Generilazed intermediate long wave hierachy in zero-curvature representation with noncommutative spectral parameter. MPIM Preprint Series 1991 (63).

Delmar, A. (1991) On Gelfand duality. MPIM Preprint Series 1991 (48).

G

Galicki, K. and Nitta, T. (1991) Non-zero scalar curvature generalizations of the ALE Hyperkähler metrics. MPIM Preprint Series 1991 (72).

Goncharov, A. B. (1991) Geometry of configurations, polylogarithms and motivic cohomology. MPIM Preprint Series 1991 (64).

Grigoriev, D. and Karpinski, M. (1991) Algorithms for sparse rational interpolation. MPIM Preprint Series 1991 (5).

Grigoriev, D. and Karpinski, M. (1991) An approximation algorithm for the number of zeros of arbitrary polynomials over GF [q]. MPIM Preprint Series 1991 (13).

Grigoriev, D. and Karpinski, M. and Odlyzko, A. (1991) Nondivisibility of sparse polynomials is in NP under the extended Riemann hypothesis. MPIM Preprint Series 1991 (6).

Grigoriev, D. Y. and Karpinski, M. and Singer, M. F. (1991) Computational complexity of sparse real algebraic function interpolation. MPIM Preprint Series 1991 (76).

H

Hambleton, I. and Kreck, M. (1991) Cancellation of hyperbolic forms and topological four-manifolds. MPIM Preprint Series 1991 (37).

Hambleton, I. and Kreck, M. (1991) Cancellation of lattices and finite two-complexes. MPIM Preprint Series 1991 (36).

Hambleton, I. and Kreck, M. (1991) Cancellation, elliptic surfaces and the topology of certain four-manifolds. MPIM Preprint Series 1991 (38).

Hironaka, E. (1991) Polynomial periodicity for Betti numbers of covering surfaces. MPIM Preprint Series 1991 (73).

Hirzebruch, F. (1991) Mannigfaltigkeiten und Modulformen. MPIM Preprint Series 1991 (10).

Hu, B. (1991) Whitehead groups of finite polyhedra with nonpositive curvature. MPIM Preprint Series 1991 (89).

Höfer, Th. (1991) Remarks on torus principal bundles. MPIM Preprint Series 1991 (67).

I

Itoh, M. (1991) Yamabe metrics and the space of conformal structures. MPIM Preprint Series 1991 (11).

Itokawa, Y. and Kobayashi, R. (1991) The length of the shortest closed geodesics on a positively curved manifold. MPIM Preprint Series 1991 (43).

J

Johnson, F. (1991) Surface fibrations of non-positive curvature. MPIM Preprint Series 1991 (15).

Johnson, F. E. A. (1991) Nonconjugate subgroups of integral orthogonal groups. MPIM Preprint Series 1991 (27).

K

Kellerhals, R. (1991) On the volumes of hyperbolic 5-orthoschemes and the trilogarithm. MPIM Preprint Series 1991 (68).

Klyachko, A. A. (1991) Vector bundles and torsion free sheaves on the projective plane. MPIM Preprint Series 1991 (59).

Kobayashi, R. (1991) Holomorphic curves in abelian varieties. MPIM Preprint Series 1991 (44).

Kobayashi, R. (1991) Holomorphic curves into algebraic subvarietes of an abelian variety. MPIM Preprint Series 1991 (45).

Kontsevich, M. (1991) Intersection theory on the moduli space of curves and the matrix airy function. MPIM Preprint Series 1991 (77).

Kreck, M. (1991) Positive Krümmung und Topologie differenzierbarer Mannigfaltigkeiten. MPIM Preprint Series 1991 (20).

Kreck, M. and Stolz, St. (1991) $HP^2$-bundles and elliptic homology. MPIM Preprint Series 1991 (46).

Kuksin, S. B. (1991) Quasiperiodic solutions of nearly integrable infinite-dimensional Hamiltonian systems. MPIM Preprint Series 1991 (62).

Kuksin, S. B. (1991) An infinitesimal Liouville-Arnold theorem as criterion of reducibility for variational hamiltonian equations. MPIM Preprint Series 1991 (3).

Kuznetsov, N. V. (1991) On the Lehmer-Serré conjecture. MPIM Preprint Series 1991 (9).

L

Le-Van-Thanh (1991) Démonstration d'une conjecture de Neumann sur l'entrelacs à l'infini d'une courbe plane algebrique. MPIM Preprint Series 1991 (66).

Lebedev, D. and Pakuliak, S. (1991) Zakharov-Shabat technique with quantized spectral parameter in the theory on integrable models. MPIM Preprint Series 1991 (22).

Lewin, L. (1991) Further results on supernumary polylogarithmic ladders. MPIM Preprint Series 1991 (58).

Li, Y. and Mulase, M. (1991) Prym varieties and commuting flows on the infinite-dimensional grassmannian. MPIM Preprint Series 1991 (87).

M

MPI f. Mathematik (1991) 30. Arbeitstagung Bonn, 14.-20. Juni 1991. MPIM Preprint Series 1991 (47).

Manin, Yu. I. (1991) Counting points in multiplicative polyhedra and split toric varieties. MPIM Preprint Series 1991 (57).

Manin, Yu. I. (1991) Notes on quantum groups and quantum de rham complexes. MPIM Preprint Series 1991 (60).

Manin, Yu. I. and Tschinkel, Yu. (1991) Points of bounded height on Del Pezzo surfaces. MPIM Preprint Series 1991 (56).

Markushevich, D. G. (1991) A few examples of elliptic threefolds with trivial canonical buncle. MPIM Preprint Series 1991 (41).

Masser, D. W. and Wüstholz, G. (1991) Endomorphism estimates for abelian varieties. MPIM Preprint Series 1991 (51).

Masser, D. W. and Wüstholz, G. (1991) Galois properties of division fields of elliptic curves. MPIM Preprint Series 1991 (39).

Masser, D. W. and Wüstholz, G. (1991) Isogeny estimates for abelian varieties, and finiteness theorems. MPIM Preprint Series 1991 (28).

Meyer, W. and Neutsch, W. (1991) Idempotents in the Griess algebra. MPIM Preprint Series 1991 (4).

Murase, A. and Sugano, T. (1991) Shintani functions and its application to automorphic L-functions on classical groups. MPIM Preprint Series 1991 (12).

Müller, W. (1991) Analytic torsion and R-torsion for unimodular representations. MPIM Preprint Series 1991 (50).

Müller, W. (1991) Spectral geometry and scattering theory for certain complete surfaces of finite volume. MPIM Preprint Series 1991 (21).

N

Neutsch, W. (1991) Quaternionic regularisation of pertubed keplermotion. MPIM Preprint Series 1991 (7).

Nitta, T. (1991) Yang-Mills connections on quaternionic Kähler quotients. MPIM Preprint Series 1991 (71).

Nomizu, K. and Opozda, B. (1991) Integral formulas for affine surfaces and rigidity theorems of Cohn-Vossen type. MPIM Preprint Series 1991 (88).

Nomizu, K. and Opozda, B. (1991) Locally symmetric connections on possibly degenerate affine hypersurfaces. MPIM Preprint Series 1991 (75).

Nomizu, K. and Opozda, B. (1991) On affine hypersurfaces with parallel nullity. MPIM Preprint Series 1991 (74).

Nomizu, K. and Opozda, B. (1991) On normal and conormal maps for affine hypersurfaces. MPIM Preprint Series 1991 (65).

Nomizu, K. and Sasaki, T. (1991) Centroaffine immersions of codimension two and projective hypersurface theory. MPIM Preprint Series 1991 (80).

O

Opozda, B. (1991) Equivalence theorems for complex affine hypersurfaces. MPIM Preprint Series 1991 (81).

P

Parmentier, S. (1991) Twisted affine poisson structures, decompositions of Lie algebras, and the classical Yang-Baxter equation. MPIM Preprint Series 1991 (82).

Pirashvili, T. (1991) Category of Eilenberg - Mac Lane fibrations and cohomology of Grothendieck constructions. MPIM Preprint Series 1991 (29).

Pirashvili, T. (1991) Vanishing of ext groups in functor categories. MPIM Preprint Series 1991 (19).

R

Roan, Shi-shyr (1991) Modular invariance of manifolds with $SU(n)$ holonomy. MPIM Preprint Series 1991 (53).

Roan, Shi-shyr (1991) Onsager's algebra, loop algebra and chiral Potts model. MPIM Preprint Series 1991 (70).

Roan, Shi-shyr (1991) A characterization of "rapidity" curve in chiral Potts model. MPIM Preprint Series 1991 (17).

Roan, Shi-shyr (1991) The mirror of Calabi-Yau orbifold. MPIM Preprint Series 1991 (1).

S

Saito, M.-H. (1991) Finiteness of Mordell-Weil groups of Kuga fiber spaces of abelian varieties. MPIM Preprint Series 1991 (40).

Schoen, Ch. (1991) Produkte Abelscher Varietäten und Moduln über Ordnungen. MPIM Preprint Series 1991 (49).

Schoen, Ch. (1991) Some examples of torsion in the Griffiths group. MPIM Preprint Series 1991 (33).

T

Todorov, A. N. (1991) The number of rational points on some Kummer surfaces. MPIM Preprint Series 1991 (23).

Tsuji, H. (1991) Finite generation of canonical rings and flip conjecture (detailed version). MPIM Preprint Series 1991 (18).

V

Vu Quoc Phong (1991) On the spectrum, complete trajectories and asymptotic stability of linear semi-dynamical systems. MPIM Preprint Series 1991 (54).

W

Weng, Lin (1991) Conjectural arithmetic Riemann-Roch-Hirzebruch Grothendieck theorem. MPIM Preprint Series 1991 (2).

Wagner, Irmgard (1991) Die "Arbeitstagung" ist in der Welt zum Markenzeichen geworden. Bonner General-Anzeiger. (In Press)

Wang, X. (1991) The Petersson scalar product in the cohomology of $\Gamma_0(p_0)$. MPIM Preprint Series 1991 (31).

Weng, L. (1991) Arithmetic Riemann-Roch Theorem - An approach with relative Bott-Chern secondary characteristic objects a sketch. MPIM Preprint Series 1991 (79).

Wung, W.-W. (1991) Elliptic threefolds with trivial canonical bundles. MPIM Preprint Series 1991 (42).

X

Xiao, G. (1991) Bound of automorphisms of surfaces of general type, I. MPIM Preprint Series 1991 (55).

Xiao, G. (1991) Elliptic surfaces with fixed jacobian. MPIM Preprint Series 1991 (30).

Xu, M. (1991) The configuration of a finite set on surface (Revised). MPIM Preprint Series 1991 (34).

Y

Yavin, D. (1991) A vanishing theorem for intersection homology twisted coefficients of Toric varieties. MPIM Preprint Series 1991 (84).

Yavin, D. and Fischli, St. (1991) Which 4-manifolds are Toric varieties? MPIM Preprint Series 1991 (85).

Z

Zaidenberg, M. G. (1991) Schottky-Landau growth estimates for s-normal families of holomorphic mappings. MPIM Preprint Series 1991 (78).

Zaidenberg, M. G. (1991) An analytic cancellation theorem and exotic algebraic structures on $C^n$, $n>=3$. MPIM Preprint Series 1991 (26).