Items where Division is "05 Faculty of Science > Departement Mathematik und Informatik > Ehemalige Einheiten Mathematik & Informatik > Algebra (Kraft)"

2015

Dufresne, Emilie and Kraft, Hanspeter. (2015) Invariants and separating morphisms for algebraic group actions. Mathematische Zeitschrift, 280 (1). pp. 231-255.

Regeta, Andriy. Groups of automorphisms of some affine varieties. 2015, Doctoral Thesis, University of Basel, Faculty of Science.

2014

Andrist, Rafael B. and Kraft, Hanspeter. (2014) Varieties characterized by their endomorphisms. Mathematical research letters, Vol. 21. pp. 225-233.

Kraft, Hanspeter and Russell, Peter. (2014) Families of Group Actions, Generic Isotriviality, and Linearization. Transformation groups, 19. pp. 779-792.

Kraft, Hanspeter and Schwarz, Gerald W.. (2014) Representations with a Reduced Null Cone. In: Symmetry: Representation Theory and Its Applications : in Honor of Nolan R. Wallach, 257. pp. 419-474.

Popoviciu Draisma, Mihaela Ileana. Invariants of binary forms. 2014, Doctoral Thesis, University of Basel, Faculty of Science.

2013

Kraft, Hanspeter and Stampfli, Immanuel. (2013) Automorphisms of the affine Cremona group. Annales de l'Institut Fourier, 63 (3). pp. 1137-1148.

Stampfli, Immanuel. (2013) A note on Automorphisms of the Affine Cremona Group. Mathematical Research Letters, 20 (6). pp. 1177-1181.

Stampfli, Immanuel. Contributions to automorphisms of affine spaces. 2013, Doctoral Thesis, University of Basel, Faculty of Science.

Zaspel, Peter and Regeta, Andriy. (2013) Lie Subalgebras of Vector Fields on Affine 2-Space and the Jacobian Conjecture. Preprints Fachbereich Mathematik, 2013 (27).

2012

Stampfli, Immanuel. (2012) On the topologies on ind-varieties and related irreducibility questions. Journal of Algebra, 372. pp. 531-541.

2011

Dubouloz, Adrien and Moser-Jauslin, Lucy and Poloni, Pierre-Marie. (2011) Noncancellation for smooth contractible affine threefolds. Proceedings of the American Mathematical Society, Vol. 139, H. 12. pp. 4273-4284.

2010

Campbell, H. E. A. and Helminck, Aloysius G. and Kraft, Hanspeter and Wehlau, David, eds. (2010) Symmetry and spaces : in honor of Gerry Schwarz. Progress in mathematics, Vol. 278. Boston.

Budmiger, Jonas. Deformation of orbits in minimal sheets. 2010, Doctoral Thesis, University of Basel, Faculty of Science.

Dubouloz, Adrien and Moser-Jauslin, Lucy and Poloni, Pierre-Marie. (2010) Inequivalent embeddings of the Koras-Russell cubic threefold. The Michigan mathematical journal, Vol. 59, H. 3. pp. 679-694.

Kraft, Hanspeter and Kohls, Martin. (2010) Degree bounds for separating invariants. Mathematical research letters, Vol. 17. pp. 1171-1182.

Kraft, Hanspeter and Wallach, Nolan. (2010) Polarization and nullcone of reductive groups. Progress in mathematics, Vol. 278. pp. 153-168.

Lötscher, Roland. Contributions to the essential dimension of finite and algebraic groups. 2010, Doctoral Thesis, University of Basel, Faculty of Science.

2009

Bonnet, Philippe and Vénéreau, Stéphane. (2009) Relations between the leading terms of a polynomial automorphism. Journal of algebra, Vol. 322, H. 2. pp. 579-599.

Dubouloz, Adrien and Poloni, Pierre-Marie. (2009) On a class of Danielewski surfaces in affine 3-space. Journal of algebra, Vol. 321, H. 7. pp. 1797-1812.

Favi, Giordano. (2009) Quadratic forms and linear algebraic groups. In: Oberwolfach Reports, Vol. 6, no. 2 , S. 1375–1426. Zürich.

Maubach, Stefan and Poloni, Pierre-Marie. (2009) The Nagata automorphism is shifted linearizable. Journal of algebra, Vol. 321, H. 3. pp. 879-889.

Poloni, Pierre-Marie. (2009) Classification(s) of Danielewski hypersurfaces. Transformation groups, Vol. 16, H. 2. pp. 579-597.

2008

Favi, Giordano and Florence, Mathieu. (2008) Tori and essential dimension. Journal of algebra, 319 (9). pp. 3885-3900.

Loetscher, Roland. (2008) Quadratic and symmetric bilinear compositions of quadratic forms over commutative rings. Communications in Algebra, 36 (1). pp. 258-268.

Lötscher, Roland. (2008) A generalized composition of quadratic forms based on quadratic pairs. arXiv.org e-Print archive [Elektronische Daten], 2008, arXiv:0809.4123. pp. 1-22.

Lötscher, Roland. (2008) Application of multihomogeneous covariants to the essential dimension of finite groups. arXiv.org e-Print archive [Elektronische Daten], 2008, arXiv:0811.3852. pp. 1-34.

2007

Balmer, Paul and Favi, Giordano. (2007) Gluing techniques in triangular geometry. The quarterly journal of mathematics, Vol. 58, H. 4. pp. 415-441.

Vénéreau, Stéphane. (2007) A parachute for the degree of a polynomial in algebraically independent ones.

van den Essen, Arno and Maubach, Stefan and Vénéreau, Stéphane. (2007) The special automorphism group of R[t]/(t(m))[x₁,…,x(n)] and coordinates of a subring of R[t][x₁,…,x(n)]. Journal of pure and applied algebra, Vol. 210, H. 1. pp. 141-146.

2006

Bürgin, Matthias. Nullforms, polarization and tensorpowers. 2006, Doctoral Thesis, University of Basel, Faculty of Science.

Draisma, Jan and Kraft, Hanspeter and Kuttler, Jochen. (2006) Nilpotent subspaces of maximal dimension in semisimple Lie algebras. Compositio Mathematica, 142 (2). pp. 464-476.

Kraft, Hanspeter. (2006) A result of Hermite and equations of degree 5 and 6. Journal of Algebra, 297 (1). pp. 234-253.

Kraft, Hanspeter and Wallach, Nolan. (2006) On the nullcone of representations of reductive groups. Pacific Journal of Mathematics, 224 (1). pp. 119-140.

Moser-Jauslin, Lucy and Poloni, Pierre-Marie. (2006) Embeddings of a family of Danielewski hypersurfaces and certain C⁺-actions on C³. Annales de l'Institut Fourier, T. 56, no. 5. pp. 1567-1581.

Vénéreau, Stéphane. (2006) New bad lines in R[x, y] and optimization of the Epimorphism Theorem. Journal of Algebra, Vol. 302, H. 2. pp. 729-749.

2005

Im Hof, Andreas Emanuel. The sheets of a classical lie algebra. 2005, Doctoral Thesis, University of Basel, Faculty of Science.

Kraft, H.. (2005) Free C+ actions on affine threefolds. Contemporary mathematics, 369. pp. 165-175.

Venereau, S.. (2005) Hyperplanes of the form f(1) (x, y)z(1)+center dot center dot center dot+f(k)(x, y)z(k)+g(x, y) are variables. Canadian mathematical bulletin = Bulletin canadien de mathématiques, Vol. 48, H. 4. pp. 622-635.

2004

Berhuy, Grégory and Favi, Giordano. (2004) Essential dimension of cubics. Journal of Algebra, 278 (1). pp. 199-216.

Kaliman, Shulim and Vénéreau, Stéphane and Zaidenberg, Mihail. (2004) Simple birational extensions of the polynomial algebra ℂ³. Transactions of the American Mathematical Society, Vol. 356, H. 2. pp. 509-555.

2003

Berhuy, Grégory and Favi, Giordano. (2003) Essential dimension : a functorial point of view (after A. Merkurjev). Documenta mathematica, Vol. 8. pp. 279-330.

2002

Baur, Karin. Two contributions to the representation theory of algebraic groups. 2002, Doctoral Thesis, University of Basel, Faculty of Science.

2001

Edo, Eric and Vénéreau, Stéphane. (2001) Length 2 variables of A[x,y] and transfer. Annales Polonici Mathematici, Vol. 76, H. 1-2. pp. 67-76.

Kaliman, Shulim and Vénéreau, Stéphane and Zaidenberg, Mihail. (2001) Extensions birationnelles simples de l'anneau de polynômes ℂ³ = Simple birational extensions of the polynomial ring ℂ³. Comptes rendus de l'Académie des sciences. Série 1, Mathématique. Series 1, Mathematics, Vol. 333, H. 4. pp. 319-322.

Kraft, Hanspeter and Schwarz, Gerald W.. (2001) Rational covariants of reductive groups and homaloidal polynomials. Mathematical research letters, Vol. 8. pp. 641-650.

Kraft, Hanspeter and Small, Lance W. and Wallach, Nolan R.. (2001) Properties and examples of FCR-algebras. Manuscripta mathematica, Vol. 104, H. 4. pp. 443-450.

1999

Kraft, Hanspeter and Small, Lance W. and Wallach, Nolan R.. (1999) Hereditary properties of direct summands of algebras. Mathematical research letters, Vol. 6. pp. 371-376.

1997

Howe, Roger and Kraft, Hanspeter. (1997) Principal covariants, multiplicity-free actions, and the K-types of holomorphic series. Progress in mathematics, 158. pp. 147-161.

Kraft, Hanspeter and Derksen, Harm. (1997) Constructive invariant theory. Collection SMF. Séminaire et congrès, 2. pp. 221-244.

1996

Kraft, Hanspeter. (1996) Challenging problems in affine n-space. Astérisque, 47 (802). pp. 295-317.

Kraft, Hanspeter and Kutzschebauch, Frank. (1996) Equivariant affine line bundles and linearization. Mathematical research letters, Vol. 3. pp. 619-628.

1995

Kraft, Hanspeter. (1995) On a question of Yosef Stein. In: Automorphisms of affine spaces. Dordrecht, pp. 225-229.

Kraft, Hanspeter and Schwarz, Gerald W.. (1995) Finite automorphisms of affine n-space. In: Automorphisms of affine spaces. Dordrecht, pp. 55-66.

1994

Kraft, Hanspeter and Small, Lance W.. (1994) Invariant algebras and completely reducible representations. Mathematical research letters, Vol. 1. pp. 297-307.