MacM said:Yes and most likely improperly. That was my meaning. There is no basis to assume matter is in any way connected with the properties of light in terms of its aparent invariance.
Again, you show your misunderstanding of what SR says.
We tried to explain you, but you still want to make false claims about what SR says.
Show me what is wrong with the Lagrangians used in all three interactions.
Show where it says that matter is connected to properties of light.