Boletim da Sociedade Paranaense de Matemática. 3º Série. Vol.29, 1, Maringá. 2011.

ISSN-0037-8712 (PRINT) - ISSN-2175-1188 (ONLINE)

 

Research Articles 

 

Some generalizations in certain classes of rings with involution

Shuliang Huang

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09

Regularity of the solutions to a nonlinear boundary problem with indefinite weight.

Aomar Anane, Omar Chakrone, Najat Moradi

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17

Positive solutions with changing sign energy to a nonhomogeneous elliptic problem of fourth order

M.Talbi and N.Tsouli

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25

Continuity of selectorial maps


Serpil Altay

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41

Schwarz rearrangement does not decrease the energy for the pseudo p-Laplacian operator

Mohammed MOUSSA

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49

Remarks on -irresolute maps

M. Lellis Thivagar and Nirmala Rebecca Paul

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55

 

Maximal Divisible Subgroups in Modular Group Rings over a Finite Ring or a Field

Peter Danchev

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67