Zanetto, lascia le donne, e studia la matematica.
JeanJacques Rousseau, "Les Confessions"
Stefan Barańczuk, Ph.D.
I work mainly in algebraic number theory, arithmetic geometry and Ktheory.
Papers:

On reduction maps and support problem in Ktheory and abelian varieties, J. Number Theory 119 (2006), no. 1, 117;

On reduction maps for the étale and Quillen Ktheory of curves and applications, J. KTheory 2 (2008), no. 1, 103122 (joint work with K. Górnisiewicz);

On a generalization of the support problem of Erdös and its analogues for abelian varieties and Ktheory, J. Pure Appl. Algebra 214 (2010), no. 4, 380384;

Galois Properties of the Eigenproblem of the Hexagonal Magnetic Heisenberg Ring, Acta Physica Polonica A 21 (2012),
56, 11111114 (joint work with G. Banaszak, T. Lulek, J. Milewski and R. Stagraczyński);

A remark on certain simultaneous divisibility sequences, Colloq. Math. 137 (2014), no. 2, 209213 (joint work with P. Rzonsowski);

Height functions for groups of Sunits of number fields and reductions modulo prime ideals, Bull. Pol. Acad. Sci. Math. 63 (2015), no. 1, 2431;

On a dynamical localglobal principle in MordellWeil type groups, Expositiones Mathematicae, volume 35 (2017), Issue 2, 206211;

On certain sequences in Mordell Weil type groups, New York Journal of Mathematics, volume 23 (2017), 4147;

Quantitative computed tomography applied to interstitial lung diseases, European Journal of Radiology,
volume 100 (2018), 99107 (joint work with Martin Obert, Marian Kampschulte, Rebekka Limburg, Gabriele A. Krombach);

HasseMinkowski theorem for quadratic forms on MordellWeil type groups,
preprint (still in progress);

On the arithmetic of polynomials with coefficients in MordellWeil type groups, preprint ;

On secondorder linear recurrence sequences in MordellWeil type groups, New York Journal of Mathematics, volume 25 (2019) 642650;

Hasse principle for linear dependence in MordellWeil groups, Functiones et
Approximatio Commentarii Mathematici, 62 (2020), no. 1, 8185;

Two algorithms for the exchange lemma,
Numer. Algorithms 86 (2021), no. 3, 10411050 (joint work with Bogdan Szydło);

A note on the Diophantine equation (x21)(y21)=(z21)2, Arithmetic methods in mathematical physics and biology. II, 2326, Banach Center Publ., 124, Polish Acad. Sci. Inst. Math., Warsaw, 2021;

Reducing the number of equations defining a subset of the nspace over a finite field,
preprint , to appear in the Annales de la Faculté des Sciences de Toulouse;

Zsigmondy's theorem for Chebyshev polynomials,
preprint ; with Magma codes .
Positions:
Education:
 M.S. Adam Mickiewicz University, June 2001; thesis title: On padic representations coming from action of Galois group on etale cohomology of algebraic variety ; thesis adviser: Professor Grzegorz Banaszak
 Ph.D. Adam Mickiewicz University, June 2005; dissertation title: On reduction maps and support problem in Galois cohomology ;
thesis adviser: Professor Grzegorz Banaszak