A Bertrand Postulate for a Subclass of Primes
Mohan Reddy, G. Sudhaamsh¹; Rau, S. Srinivas¹; Uma, B
¹IFHE University, Hyderabad, Andhra Pradesh. India
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 109-111]

A New Sort of Separation Axioms
Thivagar, M. Lellis¹; Paul, Nirmala Rebecca^2
1Madurai Kamaraj University, Department of Mathematics, Madurai, Tamil Nadu. India; ²Lady Doak College, Department of Mathematics, Madurai, Tamil Nadu. India
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 67-76]

An Example of Self-Acceleration for Incompressible Flows
Lorenz, Jens¹; Ott, Randy^1
1University of New Mexico, Department of Mathematics and Statistics, Albuquerque, Nuevo México. Estados Unidos de América
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 149-159]

Averaging in optimal control problems for systems of difference equations
Volodymyrivna Komashynska, Iryna^1
1University of Jordan, Department of Mathematics, Ammán. Jordania
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 175-182]

Biharmonic B-Slant Helices According To Bishop Frame In The SL2(R). Talat Körpinar and Essin Turhan
Korpinar, Talat¹; Turhan, Essin^1
1Firat University, Department of Mathematics, Elazig. Turquía
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 39-45]

Biharmonic Curves according to Parallel Transport Frame in E4
Korpinar, Talat¹; Turhan, Essin^1
1Firat University, Department of Mathematics, Elazig. Turquía
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 213-217]

b-Smarandache tm2 Curves of Biharmonic New Type b-Slant Helices according to Bishop Frame in the Sol Space Sol3
Korpinar, Talat¹; Turhan, Essin^1
1Firat University, Department of Mathematics, Elazig. Turquía
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 265-271]

Characterization Of Inextensible Flows Of Spacelike Curves With Sabban Frame In S12
Ergut, Mahmut¹; Turhan, Essin¹; Korpinar, Talat^1
1Firat University, Department of Mathematics, Elazig. Turquía
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 47-53]

Characterizing of Dual Focal Curves in D3
Korpinar, Talat¹; Turhan, Essin¹; Bas, Selcuk^1
1Firat University, Department of Mathematics, Elazig. Turquía
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 77-82]

Construction of Inextensible Flows of Dual Normal Surfaces in the Dual Space D3. Vedat Asil and Talat Körpinar
Asil, Vedat¹; Korpinar, Talat^1
1Firat University, Department of Mathematics, Elazig. Turquía
[Boletim da Sociedade Paranaense de Matematica, Brasil, 2013 Vol. 31 Núm. 2 , Pág. 31-37]