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We argue that off-shell dualities between d=1 supermultiplets with different sets of physical bosonic components and the same number of fermionic ones are related to gauging some symmetries in theâ€¦ (More)

We develop a general setting for N = 2 rigid supersymmetric field theories with gauged central charge in harmonic superspace. We consider those N = 2 multiplets which have a finite number ofâ€¦ (More)

- E. Ivanov, S. Krivonos
- 1999

N = 1 D = 4 supermembrane (in a flat background) and super D2-brane dual to it are described within the nonlinear realizations approach as theories of the partial supersym-metry breaking N = 1 D = 4â€¦ (More)

We define N =4, d=1 harmonic superspace HR 1+2|4 with an SU(2)/U(1) harmonic part, SU(2) being one of two factors of the R-symmetry group SU(2)Ã— SU(2) of N =4, d=1 PoincarÃ© supersymmetry. Weâ€¦ (More)

- Sergio Ferrara, E. Ivanov, Oliver J Lechtenfeld, Emery Sokatchev, B. Zupnik
- 2004

We study the SO(4)Ã—SU(2) invariant Q-deformation of Euclidean N =(1, 1) gauge theories in the harmonic superspace formulation. This deformation preserves chi-rality and Grassmann harmonic analyticityâ€¦ (More)

- E. Ivanov, S. Krivonos, Oliver J Lechtenfeld
- 2004

We construct new models of N=8 superconformal mechanics associated with the off-shell N=8, d=1 supermultiplets (3,8,5) and (5,8,3). These two multiplets are derived as N=8 Goldstone superfields andâ€¦ (More)

- Dornald Maxwell Parkin, David G. Clayton, +22 authors B. G. Bennett
- British Journal of Cancer
- 1996

The European Childhood Leukaemia - Lymphoma Incidence Study (ECLIS) is designed to address concerns about a possible increase in the risk of cancer in Europe following the nuclear accident inâ€¦ (More)

- E. Ivanov, S. Krivonos, Oliver J Lechtenfeld
- 2002

Proceeding from a nonlinear realization of the most general N=4, d=1 superconformal symmetry, associated with the supergroup D(2, 1;Î±), we construct a new model of nonrelativistic N=4 superconformalâ€¦ (More)

- E. Ivanov, S. Krivonos, Jiri Niederle
- 2002

We find, at the Lagrangian off-shell level, the explicit equivalence transformation which relates the conformal mechanics of De Alfaro, Fubini and Furlan to the conformal mechanics describing theâ€¦ (More)

A new superconformal mechanics with OSp(4|2) symmetry is obtained by gauging the U(1) isometry of a superfield model. It is the one-particle case of the new N=4 super Calogero model recently proposedâ€¦ (More)