Ramanujan Mathematical Society

Volume 36, No. 4, December 2021

Preface for the December 2021 issue

Herscovici’s conjecture on products of shadow graphs of paths

A. Lourdusamy1, S.Saratha Nellainayaki2

Center of Cartesian and strong product of digraphs

Prasanth G. Narasimha-Shenoi, Mary Shalet Thottungal Joseph

On high-girth expander graphs with localized eigenvectors

Shohei Satake

Disjoint cycles through prescribed vertices in multidimensional tori

Amruta Shinde1 , Y.M.Borse2

Fold thickness of graphs

T. Reji1 , S.Vaishnavi2

Frankl’s conjecture and lattices derived from reduced semigroups

Vinayak Joshi

One-to-one conditional path covers on augmented cubes

S.A.Kandekar, S.A.Mane , B.N.Waphare

Connectivity of the tensor product of a graph and a cycle

A.V.Sonawane1, Y.M.Borse2

Divisibility and distribution of 2l-regular overpartitions

Chiranjit Ray

An M-function associated with Goldbach’s problem

Kohji Matsumoto

The diagonal graph

R.A.Bailey , Peter J.Cameron

On Ceresa cycles of Fermat curves

Payman Eskandari , V.Kumar Murty

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