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Front Page FilomatPublisher: Faculty of Sciences and Mathematics, NišISSN: 0354-5180Issue: 36_14Date: 2022Journal Homepage
 

Characterization of weighted (b,c) inverse of an element in a ring 4629 - 4644
Bibekananda Sitha, Jajati Keshari Sahoo and Ratikanta Behera  
AbstractKeywords: Generalized inverse; Weighted (b; c)-inverse; Weighted hybrid (b; c)-inverse; Weighted annihilator (b; c)-inverse; Weighted Bott-Duffin (e; f )-inverseMSC: 15A09; 16U90; 16W10DOI: 10.2298/FIL2214629S
On elements whose (b, c)-inverse is idempotent in a monoid 4645 - 4653
Haiyang Zhu, Jianlong Chen and Yukun Zhou  
AbstractKeywords: (b; c)-inverse; inverse along an element; group inverse; idempotentMSC: 15A09; 20M99DOI: 10.2298/FIL2214645Z
Characterization of inner product spaces by unitary Carlsson type orthogonalities 4655 - 4663
Mahdi Dehghani  
AbstractKeywords: Carlsson’s orthogonality; Hermite-Hadamard type of unitary Carlsson’s orthogonality; homogeneity of HH-C- orthogonality; inner product space; isosceles orthogonality; Pythagorean orthogonalityMSC: 46B20; 46C05DOI: 10.2298/FIL2214655D
Trace formulae for a conformable fractional diffusion operator 4665 - 4674
Yaşar Çakmak  
AbstractKeywords: Diffusion operator; trace formula; conformable fractional derivativeMSC: 26A33; 34B24; 11F72; 34L05; 34L20DOI: 10.2298/FIL2214665C
Sojourns of a two-dimensional fractional Bronwian motion risk process 4675 - 4686
Grigori Jasnovidov  
AbstractKeywords: fractional Brownian motion; simultaneous ruin probability; two-dimensional risk processes; sojournMSC: 60G15; 60G70DOI: 10.2298/FIL2214675J
Conformable special curves in Euclidean 3-space 4687 - 4698
Aykut Has, Beyhan Yılmaz, Abdullah Akkurt and Hüsein Yıldırım  
AbstractKeywords: Fractional derivative; Conformable derivative; Special curves; Euclidean spaceMSC: 26A33; 53A04; 53A55DOI: 10.2298/FIL2214687H
Riesz fractional integral inequalities for convex stochastic processes 4699 - 4707
Youness Chatibi, El Hassan El Kinani and Abdelaziz Ouhadan  
AbstractKeywords: Integral inequalities; Riesz fractional integral; Convex stochastic processMSC: 26A33; 26A51; 35A23; 60E15DOI: 10.2298/FIL2214699C
Sparse recovery for compressive sensing via weighted Lp−q model 4709 - 4716
H K Nigam and Saroj Yadav  
AbstractKeywords: Non-convexity; compressed sensing; restricted isometry property (RIP); sparse signalMSC: 90C26DOI: 10.2298/FIL2214709N
Existence results for nonlinear sequential Caputo and Caputo-Hadamard fractional differential equations with three-point boundary conditions in Banach spaces 4717 - 4727
Adel Lachouri, Abdelouaheb Ardjouni and Ahcene Djoudi  
AbstractKeywords: Fractional differential equations; nonlinear equations; Caputo and Caputo-Hadamard fractional derivative; measure of noncompactness; Mönch fixed point theorem; existenceMSC: 34A08; 34B15; 47H08DOI: 10.2298/FIL2214717L
Some characterizations of pseudo Z symmetric spacetimes 4729 - 4736
Uday Chand De, Bülent Ünal and Sudhir Kumar Srivastava  
AbstractKeywords: pseudo Ricci symmetric manifolds; pseudo Z symmetric manifolds; generalized Robertson-Walker spacetime; perfect fluid spacetimeMSC: 53B30; 53B50; 53C25DOI: 10.2298/FIL2214729D
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