What is the meaning of writting a comment on a published paper ?

When one writes a comment on a published paper , what is actually the intention of the commenting author ? To point out the mistakes or present complete solution . It is seen that very often...

01 February 2019 6,761 4 View

Can any one suggest how to calculate C when the Hamiltonian neither P nor T invariant ?

[H,P]=/=0;[H,T]=/=0;[H,PT]=/=0; then how to calculate C ? If one take C=0,this implies only zero charge particles exist for this type of H .Mathematically [H, CPT]=0. Or one can tell that...

31 December 2018 8,904 0 View

Why CPT is not a universal symmetry in non- relativistic quantum mechanics ?

In many cases non- relativistic operator even though reflect CPT invariance nature unlikely to reproduce complete real spectra. Is it true ? If so when ? If no when ? Your opinion will be highly...

31 December 2018 462 0 View

How to calculate charge operator for a 3x3 complex mayrix ?

Please suggest matrix method for calculating charge conjugation operator. Suppose one desires to apply matrix to study K^0; K^+;K^- . Then how to proceed .

11 December 2018 4,693 0 View

Do you accept parity violation in Quantum Mechanics ?

In my understanding parity is violated in many hermitian operators with susy or without susy . Interestingly hermitian matrix also comes under this P =/= P^-1

09 October 2018 7,523 0 View

How many + and - ve charges in a C(conjugate operator) ?

08 September 2018 603 0 View

Can I have two charge conjugate matrix for given complex matrix reflecting real eigenvalues ?

08 September 2018 2,381 0 View

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08 September 2018 8,205 0 View

Why product of two matrices are non-commutative in nature.?

07 August 2018 9,564 4 View

Can you suggest an application on matrix eigenvalue method to Economics or Business ?

Please suggest a suitable problem in Economics or Business where one can apply matrix eigenvalue method ? Give details. B.Rath

07 August 2018 2,805 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

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I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View