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2020 – today
- 2023
[i2]Hedongliang Liu, Cornelia Ott, Felix Ulmer:
A Gröbner Approach to Dual-Containing Cyclic Left Module (θ, δ)-Codes Rg/Rf ⊂ R/Rf over Finite Commutative Frobenius Rings. CoRR abs/2308.13395 (2023)- 2020
- [j20]Anne Canteaut, Gohar M. Kyureghyan, Alexander Pott, Felix Ulmer:
Editorial: Coding and Cryptography 2019. Des. Codes Cryptogr. 88(9): 1699 (2020)
2010 – 2019
- 2015
- [c10]Felix Ulmer:
Extended Abstract: Codes as Modules over Skew Polynomial Rings. C2SI 2015: 83-86 - [i1]Steve Szabo, Felix Ulmer:
Dualilty Preserving Gray Maps: (Pseudo) Self-dual Bases and Symmetric Bases. CoRR abs/1505.07493 (2015) - 2014
- [j19]Delphine Boucher
, Felix Ulmer:
Linear codes using skew polynomials with automorphisms and derivations. Des. Codes Cryptogr. 70(3): 405-431 (2014) - [j18]Delphine Boucher, Felix Ulmer:
Self-dual skew codes and factorization of skew polynomials. J. Symb. Comput. 60: 47-61 (2014) - 2011
- [c9]Delphine Boucher, Felix Ulmer:
A Note on the Dual Codes of Module Skew Codes. IMACC 2011: 230-243 - 2010
- [c8]Delphine Boucher, Philippe Gaborit, Willi Geiselmann, Olivier Ruatta, Felix Ulmer:
Key Exchange and Encryption Schemes Based on Non-commutative Skew Polynomials. PQCrypto 2010: 126-141
2000 – 2009
- 2009
- [j17]Lionel Chaussade, Pierre Loidreau, Felix Ulmer:
Skew codes of prescribed distance or rank. Des. Codes Cryptogr. 50(3): 267-284 (2009) - [j16]Delphine Boucher, Felix Ulmer:
Coding with skew polynomial rings. J. Symb. Comput. 44(12): 1644-1656 (2009) - [c7]Delphine Boucher, Felix Ulmer:
Codes as Modules over Skew Polynomial Rings. IMACC 2009: 38-55 - 2008
- [j15]Delphine Boucher, Patrick Solé, Felix Ulmer:
Skew constacyclic codes over Galois rings. Adv. Math. Commun. 2(3): 273-292 (2008) - 2007
- [j14]Delphine Boucher, Willi Geiselmann, Felix Ulmer:
Skew-cyclic codes. Appl. Algebra Eng. Commun. Comput. 18(4): 379-389 (2007) - 2005
- [j13]Felix Ulmer:
Note on algebraic solutions of differential equations with known finite Galois group. Appl. Algebra Eng. Commun. Comput. 16(4): 205-218 (2005) - 2003
- [j12]Felix Ulmer:
Liouvillian solutions of third order differential equations. J. Symb. Comput. 36(6): 855-889 (2003) - [c6]Delphine Boucher, Philippe Gaillard, Felix Ulmer:
Fourth order linear differential equations with imprimitive group. ISSAC 2003: 45-49 - 2002
- [j11]Olivier Cormier, Michael F. Singer, Barry M. Trager, Felix Ulmer:
Linear Differential Operators for Polynomial Equations. J. Symb. Comput. 34(5): 355-398 (2002) - 2000
- [j10]Felix Ulmer:
How to solve linear differential equations: An outline. Program. Comput. Softw. 26(1): 17-22 (2000) - [c5]Olivier Cormier, Michael F. Singer, Felix Ulmer:
Computing the Galois group of a polynomial using linear differential equations. ISSAC 2000: 78-85
1990 – 1999
- 1999
- [j9]Mark van Hoeij, Jean-François Ragot, Felix Ulmer, Jacques-Arthur Weil:
Liouvillian Solutions of Linear Differential Equations of Order Three and Higher. J. Symb. Comput. 28(4-5): 589-609 (1999) - 1997
- [j8]Willi Geiselmann, Felix Ulmer:
Constructing a Third-Order Linear Differential Equation. Theor. Comput. Sci. 187(1-2): 3-6 (1997) - 1996
- [j7]Felix Ulmer, Jacques-Arthur Weil:
Note on Kovacic's Algorithm. J. Symb. Comput. 22(2): 179-200 (1996) - 1995
- [j6]Michael F. Singer, Felix Ulmer:
Necessary conditions for liouvillian solutions of (third order) linear differential equations. Appl. Algebra Eng. Commun. Comput. 6: 1-22 (1995) - [j5]Felix Ulmer, Jacques-Arthur Weil:
Note on Kovacic's algorithm. SIGSAM Bull. 29(2): 10-11 (1995) - 1994
- [j4]Felix Ulmer:
Irreducible Linear Differential Equations of Prime Order. J. Symb. Comput. 18(4): 385-401 (1994) - 1993
- [j3]Michael F. Singer, Felix Ulmer:
Galois Groups of Second and Third Order Linear Differential Equations. J. Symb. Comput. 16(1): 9-36 (1993) - [j2]Michael F. Singer, Felix Ulmer:
Liouvillian and Algebraic Solutions of Second and Third Order Linear Differential Equations. J. Symb. Comput. 16(1): 37-73 (1993) - [c4]Michael F. Singer, Felix Ulmer:
On a Third Order Differential Equation whose Differential Galois Group is the Simple Group of 168 Elements. AAECC 1993: 316-324 - 1992
- [c3]Michael F. Singer, Felix Ulmer:
Liouvillian Solutions of Third Order Linear Differential Equations: New Bounds and Necessary Conditions. ISSAC 1992: 57-62 - 1991
- [b1]Felix Ulmer:
Entwurf von Algorithmen zur Berechnung Liouvillescher Lösungen von linearen gewöhnlichen Differentialgleichungen. Karlsruhe Institute of Technology, Germany, Kovač 1991, ISBN 978-3-925630-93-4, pp. 1-123 - [j1]Felix Ulmer:
On Liouvillian Solutions of Linear Differential Equations. Appl. Algebra Eng. Commun. Comput. 2: 171-193 (1991) - [c2]Felix Ulmer:
On Algebraic Solutions of Linear Differential Equations with Primitive Unimodular Galois Group. AAECC 1991: 446-455 - 1990
- [c1]Felix Ulmer, Jacques Calmet:
On Liouvillian Solutions of Homogeneous Linear Differential Equations. ISSAC 1990: 236-243
Coauthor Index
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